mips, mips64el test fail on main.drop

CURRENT_TEST: main.drop

--- /<<PKGBUILDDIR>>/mysql-test/main/drop.result	2020-11-10 13:14:54.000000000 +0000

+++ /<<PKGBUILDDIR>>/mysql-test/main/drop.reject	2020-11-14 15:35:43.769178590 +0000

@@ -135,7 +135,7 @@

 use mysql_test;

 create table t1(c int);

 drop database mysql_test;

-ERROR HY000: Error dropping database (can't rmdir './mysql_test', errno: 39 "Directory not empty")

+ERROR HY000: Error dropping database (can't rmdir './mysql_test', errno: 93 "Directory not empty")

 select database();

 database()

 mysql_test