[empathy/gnome-3-0] Fix a crash if replacement is NULL

[Xavier Claessens <xclaesse src gnome org>]

commit f20d42d874bb6fdc3bd0b714112c2e9d70df974e
Author: Xavier Claessens <xclaesse gmail com>
Date:   Mon May 2 13:52:06 2011 +0200

    Fix a crash if replacement is NULL

 libempathy-gtk/empathy-theme-adium.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libempathy-gtk/empathy-theme-adium.c b/libempathy-gtk/empathy-theme-adium.c
index e7e4cbd..4d017f8 100644
--- a/libempathy-gtk/empathy-theme-adium.c
+++ b/libempathy-gtk/empathy-theme-adium.c
@@ -281,7 +281,7 @@ theme_adium_parse_body (EmpathyThemeAdium *self,
 static void
 escape_and_append_len (GString *string, const gchar *str, gint len)
 {
-	while (*str != '\0' && len != 0) {
+	while (str != NULL && *str != '\0' && len != 0) {
 		switch (*str) {
 		case '\\':
 			/* \ becomes \\ */