Index: code/unix/linux_glimp.c
===================================================================
--- code/unix/linux_glimp.c	(revision 1051)
+++ code/unix/linux_glimp.c	(working copy)
@@ -199,8 +199,8 @@
 
 static char *XLateKey(XKeyEvent *ev, int *key)
 {
-  static char buf[64];
-  static char bufnomod[2];
+  static unsigned char buf[64];
+  static unsigned char bufnomod[2];
   KeySym keysym;
   int XLookupRet;