Remove use of interface no longer provided by xorg-server.

Patch taken from upstream:
https://cgit.freedesktop.org/xorg/driver/xf86-video-sis/commit/?id=4b1356a2b7fd06e9a05d134caa4033681c939737

diff --git a/src/sis_driver.c b/src/sis_driver.c
index 8f06164..513f68b 100644
--- a/src/sis_driver.c
+++ b/src/sis_driver.c
@@ -2738,7 +2738,7 @@ SiSPrintModes(ScrnInfoPtr pScrn)
     float hsync, refresh = 0.0;
     char *desc, *desc2, *prefix, *uprefix, *output;
 
-    xf86DrvMsg(pScrn->scrnIndex, pScrn->virtualFrom, "Virtual size is %dx%d "
+    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Virtual size is %dx%d "
 	       "(pitch %d)\n", pScrn->virtualX, pScrn->virtualY,
 	       pScrn->displayWidth);
 
change='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
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<div class='path'>path: <a href='/guix/log/?id=11590bff50fe0244e66c11d995aa5301c8965959'>root</a>/<a href='/guix/log/gnu?id=11590bff50fe0244e66c11d995aa5301c8965959'>gnu</a>/<a href='/guix/log/gnu/packages?id=11590bff50fe0244e66c11d995aa5301c8965959'>packages</a>/<a href='/guix/log/gnu/packages/stenography.scm?id=11590bff50fe0244e66c11d995aa5301c8965959'>stenography.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/stenography.scm?id=11590bff50fe0244e66c11d995aa5301c8965959&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/stenography.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>This commit was obtained by running:

  ./pre-inst-env guix style

without any additional argument.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-02-02 19:29:52 +0000'>2021-02-02</span></td><td><a href='/guix/commit/gnu/packages/stenography.scm?id=5fc40f747873500adb268304156ada8823dc2358'>gnu: plover: Update to 4.0.0.dev8.</a><span class='msg-avail'>...<span class='msg-tooltip'>This moves from Python 2 to Python 3. This is a dev release, but from nearly 2
years ago.

Backing up your plover.cfg is advised by the release notes when upgrading from
version 3 to 4.

* gnu/packages/stenography.scm (plover): Update to 4.0.0.dev8.
[arguments]: Remove.
[native-inputs]: Switch to Python 3 package variants.
[inputs]: Switch to Python 3 package variants, and add python-pyqt.
</span></span></td><td>Christopher Baines</td></tr>
d><span title='2021-11-30 01:08:55 +0100'>2021-11-30</span></td><td><a href='/guix/commit/gnu/packages/busybox.scm?id=cdf7b3daa3d7281b6bf9ec0cc8e21076cc836ddf'>gnu: toybox: Update to 0.8.5.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/busybox.scm (toybox): Update to 0.8.5.
[arguments]: Add a new 'fix-or-skip-broken-tests phase.
Don't explicitly return #t from the other phases.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-05-04 15:56:27 +0200'>2021-05-04</span></td><td><a href='/guix/commit/gnu/packages/busybox.scm?id=06cf2fc01fe5bab2623f9434ab504959d16f3746'>gnu: busybox: Update to 1.33.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/busybox.scm (busybox): Update to 1.33.1.
[source]: Remove upstreamed patch.
* gnu/packages/patches/busybox-CVE-2021-28831.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>