--- lib/glob/xmbsrtowcs.c	2008-08-12 10:17:54.000000000 -0400
+++ lib/glob/xmbsrtowcs.c	2009-08-10 15:46:18.000000000 -0400
@@ -30,7 +30,7 @@
 #if HANDLE_MULTIBYTE
 
 #ifndef FREE
-#  define FREE(x)	do { if (x) free (x); } while (0)
+#  define FREE(x)	do { if (x) free (x);  x = 0; } while (0)
 #endif
 /* On some locales (ex. ja_JP.sjis), mbsrtowc doesn't convert 0x5c to U<0x5c>.
    So, this function is made for converting 0x5c to U<0x5c>. */