Pretend that stat's mtime is broken, so that the fontconfig cache does not
depend upon modification time to determine if a cache is stale.

diff --git a/src/fcstat.c b/src/fcstat.c
index 5a2bd7c..d603a96 100644
--- a/src/fcstat.c
+++ b/src/fcstat.c
@@ -431,6 +431,7 @@ FcIsFsMmapSafe (int fd)
 FcBool
 FcIsFsMtimeBroken (const FcChar8 *dir)
 {
+    return FcTrue;
     int fd = FcOpen ((const char *) dir, O_RDONLY);
 
     if (fd != -1)
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<div class='path'>path: <a href='/guix/log/?id=9fb8a480d5aec9186908e92ad18b31455f4aab6b'>root</a>/<a href='/guix/log/gnu?id=9fb8a480d5aec9186908e92ad18b31455f4aab6b'>gnu</a>/<a href='/guix/log/gnu/packages?id=9fb8a480d5aec9186908e92ad18b31455f4aab6b'>packages</a>/<a href='/guix/log/gnu/packages/patches?id=9fb8a480d5aec9186908e92ad18b31455f4aab6b'>patches</a>/<a href='/guix/log/gnu/packages/patches/ppsspp-disable-upgrade-and-gold.patch?id=9fb8a480d5aec9186908e92ad18b31455f4aab6b'>ppsspp-disable-upgrade-and-gold.patch</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/patches/ppsspp-disable-upgrade-and-gold.patch?id=9fb8a480d5aec9186908e92ad18b31455f4aab6b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-01-23 16:35:50 +0100'>2022-01-23</span></td><td><a href='/guix/commit/gnu/packages/patches/ppsspp-disable-upgrade-and-gold.patch?id=fc2ff004f70d59db80fcd70e659e6a0ff96e0a5f'>gnu: ppsspp: Update to 1.12.3.</a><span class='msg-avail'>...</span></td><td>Liliana Marie Prikler</td></tr>
<tr><td><span title='2021-09-25 09:34:36 +0200'>2021-09-25</span></td><td><a href='/guix/commit/gnu/packages/patches/ppsspp-disable-upgrade-and-gold.patch?id=719bbcc15e2216b59bde34f297b92ceb9d349ce0'>Update copyright assignments for Liliana Marie Prikler.</a><span class='msg-avail'>...</span></td><td>Liliana Marie Prikler</td></tr>
<tr><td><span title='2021-06-06 02:38:29 -0400'>2021-06-06</span></td><td><a href='/guix/commit/gnu/packages/patches/ppsspp-disable-upgrade-and-gold.patch?id=a18079288f8b26b32e1388350f5d55240b1a6381'>gnu: ppsspp: Update to 1.11.3-1.69fa207.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>