added skiped newline to the end of file mysql-test/t/mysqldump.test

mysql-test/t/mysqldump.test

@@ -60,4 +60,4 @@ DROP TABLE t1;
 
 create table ```a` (i int);
 --exec $MYSQL_DUMP  --skip-comments test
-drop table ```a`;
\ No newline at end of file
+drop table ```a`;