Memory management review: match char-malloc/strdup-free, gchar-g_str*/g_free; set pointers to null after free; initialize fonts/backgrounds correctly when missing from config

git-svn-id: http://tint2.googlecode.com/svn/trunk@748 121b4492-b84c-0410-8b4c-0d4edfb3f3cc

src/util/area.c

@@ -456,6 +456,9 @@ void add_area (Area *a)
 
 void free_area (Area *a)
 {
+	if (!a)
+		return;
+
 	GSList *l0;
 	for (l0 = a->list; l0 ; l0 = l0->next)
 		free_area (l0->data);