(get_charset_aliases): Don't try to free file_name

if it's NULL (because we ran out of memory).  From Bruno Haible.

diff --git a/lib/localcharset.c b/lib/localcharset.c
index 86f7ed1..e80a2c5 100644 (file)
--- a/lib/localcharset.c
+++ b/lib/localcharset.c
@@ -132,7 +132,8 @@ get_charset_aliases ()
        }
 
       charset_aliases = cp;
-      free (file_name);
+      if (file_name != NULL)
+       free (file_name);
     }
 
   return cp;