Fix build against xorg-server >= 1.20.

Patch taken from upstream:
https://cgit.freedesktop.org/xorg/driver/xf86-video-savage/commit/?id=0ece556daa8a88771b669d8104396abd9166d2d0

diff --git a/src/savage_driver.c b/src/savage_driver.c
index 58a294d..3cda923 100644
--- a/src/savage_driver.c
+++ b/src/savage_driver.c
@@ -2034,8 +2034,6 @@ static Bool SavagePreInit(ScrnInfoPtr pScrn, int flags)
     xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "Detected current MCLK value of %1.3f MHz\n",
 	       mclk / 1000.0);
 
-    pScrn->maxHValue = 2048 << 3;	/* 11 bits of h_total 8-pixel units */
-    pScrn->maxVValue = 2048;		/* 11 bits of v_total */
     pScrn->virtualX = pScrn->display->virtualX;
     pScrn->virtualY = pScrn->display->virtualY;
 
@@ -3637,6 +3635,14 @@ static ModeStatus SavageValidMode(SCRN_ARG_TYPE arg, DisplayModePtr pMode,
        (pMode->VDisplay > psav->PanelY)))
 	    return MODE_PANEL;
 
+    /* 11 bits of h_total 8-pixel units */
+    if (pMode->HTotal > (2048 << 3))
+	return MODE_BAD_HVALUE;
+
+    /* 11 bits of v_total */
+    if (pMode->VTotal > 2048)
+	return MODE_BAD_VVALUE;
+
     if (psav->UseBIOS) {
 	refresh = SavageGetRefresh(pMode);
         return (SavageMatchBiosMode(pScrn,pMode->HDisplay,
/log/gnu/packages/mingw.scm?showmsg=1'>log</a><a href='/guix/tree/gnu/packages/mingw.scm?id=6f20c8df0e2056231c0ce10a535d1c1897db5630'>tree</a><a href='/guix/commit/gnu/packages/mingw.scm?id=6f20c8df0e2056231c0ce10a535d1c1897db5630'>commit</a><a href='/guix/diff/gnu/packages/mingw.scm?id=6f20c8df0e2056231c0ce10a535d1c1897db5630'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/mingw.scm'>
<input type='hidden' name='id' value='6f20c8df0e2056231c0ce10a535d1c1897db5630'/><input type='hidden' name='showmsg' value='1'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=6f20c8df0e2056231c0ce10a535d1c1897db5630&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=6f20c8df0e2056231c0ce10a535d1c1897db5630&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/packages?id=6f20c8df0e2056231c0ce10a535d1c1897db5630&amp;showmsg=1'>packages</a>/<a href='/guix/log/gnu/packages/mingw.scm?id=6f20c8df0e2056231c0ce10a535d1c1897db5630&amp;showmsg=1'>mingw.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/mingw.scm?id=6f20c8df0e2056231c0ce10a535d1c1897db5630'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2023-09-17 16:22:03 -0400'>2023-09-17</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/mingw.scm?id=a6170fcd2ba1b4b677399f048bdcd7a5701775af'>gnu: Remove extraneous imports.</a></td><td>Maxim Cournoyer</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
Found by running 'guild compile -W3 gnu/packages/$module.scm', using guild
from the upcoming Guile.

* gnu/packages/admin.scm: Remove extraneous imports.
* gnu/packages/avr.scm: Likewise.
* gnu/packages/base.scm: Likewise.
* gnu/packages/bootloaders.scm: Likewise.
* gnu/packages/firmware.scm: Likewise.
* gnu/packages/linphone.scm: Likewise.
* gnu/packages/telephony.scm: Likewise.
* gnu/packages/cran.scm: Likewise.
* gnu/packages/kde.scm: Likewise.
* gnu/packages/libcanberra.scm: Likewise.
* gnu/packages/libreoffice.scm: Likewise.
* gnu/packages/mes.scm: Likewise.
* gnu/packages/mingw.scm: Likewise.
* gnu/packages/serialization.scm: Likewise.
* gnu/packages/sync.scm: Likewise.
* gnu/packages/syncthing.scm: Likewise.
* gnu/packages/terminals.scm: Likewise.
* gnu/packages/version-control.scm: Likewise.
* gnu/packages/video.scm: Likewise.
* gnu/packages/wm.scm: Likewise.
* gnu/packages/emulators.scm: Likewise.

Reviewed-by: Ludovic Courtès &lt;ludo@gnu.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2023-08-18 10:19:14 +0200'>2023-08-18</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/mingw.scm?id=78f080e25bfc02abd9a8fa88c8ad8d5854f54743'>gnu: mingw-w64-tools: Update to 11.0.1.</a></td><td>fanquake</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/mingw.scm (mingw-w64-tools): Update to 11.0.1.

Signed-off-by: Andreas Enge &lt;andreas@enge.fr&gt;


</td></tr>
<tr class='logheader'><td><span title='2023-08-18 10:18:53 +0200'>2023-08-18</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/mingw.scm?id=43feef1753b0a2db9f28212404ea00528808a006'>gnu: mingw-w64: Update to 11.0.1.</a></td><td>fanquake</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/mingw.scm (make-mingw-w64): Update to 11.0.1.

Signed-off-by: Andreas Enge &lt;andreas@enge.fr&gt;


</td></tr>
<tr class='logheader'><td><span title='2023-07-18 20:23:42 +0800'>2023-07-18</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/mingw.scm?id=f610821edae47611ce534afe0659a83f8479cd75'>gnu: mingw-w64-tools: Update to 11.0.0.</a></td><td>fanquake</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/mingw.scm (mingw-w64-tools): Update to 11.0.0.

Signed-off-by: 宋文武 &lt;iyzsong@member.fsf.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2023-07-18 20:23:42 +0800'>2023-07-18</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/mingw.scm?id=30403c7c3fa9f700edc11fb6584590a68f26b1a5'>gnu: mingw: Update to 11.0.0.</a></td><td>fanquake</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/mingw.scm (mingw): Update to 11.0.0.

Signed-off-by: 宋文武 &lt;iyzsong@member.fsf.org&gt;


</td></tr>