BUG#42879: CHANGE MASTER RELAY_LOG_FILE=path fails on windows

Re-enabling the test case on windows since BUG#12190 has fixed
the issue.

mysql-test/suite/rpl/t/rpl_cross_version.test

@@ -12,11 +12,6 @@
 
 --source include/master-slave.inc
 
-# The test is disabled for windows due to 
-# Bug #42879 CHANGE MASTER RELAY_LOG_FILE=path fails on windows
-# Todo: release it from not_windows
---source include/not_windows.inc
-
 #
 # Bug#31240 load data infile replication between (4.0 or 4.1) and 5.1 fails
 #