Merge pilot.(none):/data/msvensson/mysql/mysql-5.0-maint

into  pilot.(none):/data/msvensson/mysql/mysql-5.1-new-maint

mysql-test/include/uses_vardir.inc

@@ -7,9 +7,8 @@
 # outside of it's vardir anyway
 #
 
-let $datadir=
-  query_get_value("SHOW VARIABLES LIKE 'datadir'", Value, 1);
-if (`select LOCATE("$MYSQLTEST_VARDIR", "$datadir") != 1`)
+
+if (`select LOCATE('$MYSQLTEST_VARDIR', REPLACE(@@datadir, '\\\\', '/')) != 1`)
 {
   skip Need mysqld in MYSQLTEST_VARDIR;
 }

mysql-test/lib/mtr_cases.pl

@@ -606,11 +606,14 @@ sub collect_one_test_case($$$$$$$) {
       }
     }
     else
+    {
+      if ( $::mysql_version_id >= 50100 )
       {
 	# Test does not need binlog, add --skip-binlog to
 	# the options used when starting it
 	push(@{$tinfo->{'master_opt'}}, "--skip-log-bin");
       }
+    }
 
   }
 }