Fix CVE-2016-5296: Heap-buffer-overflow WRITE in rasterize_edges_1
Adapted for upstream pixman based on:

  https://hg.mozilla.org/releases/mozilla-esr45/rev/5e39c1c2fded

--- pixman-0.34.0/pixman/pixman-edge-imp.h.orig	2015-06-30 05:48:31.000000000 -0400
+++ pixman-0.34.0/pixman/pixman-edge-imp.h	2016-11-16 01:09:34.046335106 -0500
@@ -55,8 +55,9 @@
 	 *
 	 * (The AA case does a similar  adjustment in RENDER_SAMPLES_X)
 	 */
-	lx += X_FRAC_FIRST(1) - pixman_fixed_e;
-	rx += X_FRAC_FIRST(1) - pixman_fixed_e;
+	/* we cast to unsigned to get defined behaviour for overflow */
+	lx = (unsigned)lx + X_FRAC_FIRST(1) - pixman_fixed_e;
+	rx = (unsigned)rx + X_FRAC_FIRST(1) - pixman_fixed_e;
 #endif
 	/* clip X */
 	if (lx < 0)
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<tr><td><span title='2024-08-31 10:45:16 +0200'>2024-08-31</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=e160833f66c57852df13ab54e48ce3519f24a80d'>gnu: infiniband-diags: Fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fabric-management.scm (infiniband-diags)[arguments]:
Don't refer to nonexistent 'install-file' phase.

Change-Id: Ie1a3174e56e096f1bd93b0a268e1efa977aebc90
</span></span></td><td>宋文武</td></tr>
<tr><td><span title='2023-11-15 11:36:20 +0100'>2023-11-15</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=975350fab742f0c723e8b4b41321a919fafc0fbf'>gnu: ucx: Update to 1.15.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fabric-management.scm (ucx): Update to 1.15.0.
* gnu/packages/patches/ucx-tcp-iface-ioctl.patch: Update for 1.15.0.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-11-15 11:36:20 +0100'>2023-11-15</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=d117c6b42217ee8b3c813578eb799800aa45bd10'>gnu: opensm: Update to 3.3.24.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fabric-management.scm (opensm): Update to 3.3.24.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-11-15 11:36:19 +0100'>2023-11-15</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=d67fa732f71a0d71a979220d617e1ea7dc607173'>gnu: opensm: Use gexps.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fabric-management.scm (opensm)[arguments]: Use gexps.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-11-15 11:36:19 +0100'>2023-11-15</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=ab6f63f3cb68c57a16afc71b403ebd6711351d3a'>gnu: opensm: Use the right version string for the doc directory.</a><span class='msg-avail'>...<span class='msg-tooltip'>Previously, when built with ‘--with-latest=opensm’, the package would
install its documentation under a directory with the wrong version
string.

* gnu/packages/fabric-management.scm (opensm)[arguments]: Use the name
and version of THIS-PACKAGE.
</span></span></td><td>Ludovic Courtès</td></tr>