Revert

client/mysql.cc

@@ -2166,7 +2166,7 @@ com_go(String *buffer,char *line __attribute__((unused)))
 {
   char		buff[200], time_buff[32], *pos;
   MYSQL_RES	*result;
-  ulong		timer, warnings= 0;
+  ulong		timer, warnings;
   uint		error= 0;
   int           err= 0;