Don't try to dereference the dbfile pointer if

we know that it's NULL.

(closes issue #13092)
Reported by: gknispel_proformatique
Patches:
      trunk_sqlite_check_vars_null.patch uploaded by gknispel (license 261)



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@131361 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_config_sqlite.c

@@ -600,7 +600,7 @@ static int set_var(char **var, const char *name, const char *value)
 static int check_vars(void)
 {
 	if (!dbfile) {
-		ast_log(LOG_ERROR, "Undefined parameter %s\n", dbfile);
+		ast_log(LOG_ERROR, "Required parameter undefined: dbfile\n");
 		return 1;
 	}