Merge spetrunia@bk-internal.mysql.com:/home/bk/mysql-5.0

into mysql.com:/home/psergey/mysql-5.0-aug18-fix

sql/item_strfunc.cc

@@ -2176,9 +2176,6 @@ void Item_func_lpad::fix_length_and_dec()
   {
     ulonglong length= ((ulonglong) args[1]->val_int() *
                        collation.collation->mbmaxlen);
-    /*a comment before (merged) */
-    length= max((ulonglong)args[0]->max_length, length);
-    /*a comment after */
     if (length >= MAX_BLOB_WIDTH)
     {
       length= MAX_BLOB_WIDTH;