Description: Replace sys_siglist[] with strsignal()

Removed from glibc headers so unusable by new builds.

Author: Mark Brown <broonie@debian.org>
Bug-Debian: https://bugs.debian.org/1005992
Last-Update: 2022-03-18

Index: xemacs21-21.4.24/src/process.c
===================================================================
--- xemacs21-21.4.24.orig/src/process.c
+++ xemacs21-21.4.24/src/process.c
@@ -1311,7 +1311,7 @@ const char *
 signal_name (int signum)
 {
   if (signum >= 0 && signum < NSIG)
-    return (const char *) sys_siglist[signum];
+    return (const char *) strsignal(signum);
 
   return (const char *) GETTEXT ("unknown signal");
 }
