everything that loads a config that needs a config file to run

now reports AST_MODULE_LOAD_DECLINE when loading if config file
is not there, also fixed an error in res_config_pgsql where it 
had a non static function when it should.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@41633 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_mgcp.c

@@ -4262,7 +4262,8 @@ static int load_module(void)
 
 		/* And start the monitor for the first time */
 		restart_monitor();
-	}
+	} else
+		return AST_MODULE_LOAD_DECLINE;
 
 	return res;
 }