Fix to Coverity defects 72714 75940 75941

server/modules/filter/qlafilter.c

@@ -398,7 +398,7 @@ routeQuery(FILTER *instance, void *session, GWBUF *queue)
 QLA_INSTANCE	*my_instance = (QLA_INSTANCE *)instance;
 QLA_SESSION	*my_session = (QLA_SESSION *)session;
 char		*ptr;
-int		length;
+int		length = 0;
 struct tm	t;
 struct timeval	tv;
 

server/modules/filter/tee.c

@@ -415,8 +415,9 @@ GWBUF		*clone = NULL;
 			modutil_MySQL_Query(queue, &dummy, &length, &residual);
 			clone = gwbuf_clone(queue);
 			my_session->residual = residual;
-			free(ptr);
+	
 		}
+		free(ptr);
 	}
 
 	/* Pass the query downstream */