ut_expand_tabs: Check the argument is not null
It should never happen, but you never know...
--- a/mcabber/mcabber/utils.c Tue Nov 27 19:49:50 2012 +0100
+++ b/mcabber/mcabber/utils.c Wed Nov 28 17:50:25 2012 +0100
@@ -676,6 +676,9 @@
char *p, *q;
guint n = 0, bc = 0;
+ if (!text)
+ return NULL;
+
xtext = (char*)text;
for (p=xtext; *p; p++)
if (*p == '\t')