From f682c27e93512773122887d2cbabb1657af45d2e Mon Sep 17 00:00:00 2001
From: Paulo Cesar Pereira de Andrade <pcpa@mandriva.com.br>
Date: Mon, 2 Feb 2009 16:36:39 -0200
Subject: [PATCH] Check if a function argument is NULL.

  This was an addition to patch (also by me)
https://bugs.freedesktop.org/attachment.cgi?id=14660
that was not added when rediscovering/correcting the problem.
---
 src/xlibi18n/lcFile.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/xlibi18n/lcFile.c b/src/xlibi18n/lcFile.c
index e12dcbac..778e2690 100644
--- a/src/xlibi18n/lcFile.c
+++ b/src/xlibi18n/lcFile.c
@@ -504,7 +504,10 @@ _XlcFileName(
 
     siname = XLC_PUBLIC(lcd, siname);
 
-    lowercase(cat, category);
+    if (category)
+	lowercase(cat, category);
+    else
+	cat[0] = '\0';
     xlocaledir(dir,XLC_BUFSIZE);
     n = _XlcParsePath(dir, args, NUM_LOCALEDIR);
     for (i = 0; i < n; ++i) {