6921234: TEST_BUG: java/lang/ClassLoader/deadlock/TestCrossDelegate.sh needs...

6921234: TEST_BUG: java/lang/ClassLoader/deadlock/TestCrossDelegate.sh needs to be modified for Cygwin
Summary: Add check for CYGWIN
Reviewed-by: ohair

test/java/lang/ClassLoader/deadlock/TestCrossDelegate.sh

@@ -55,7 +55,7 @@ case "$OS" in
   Linux )
     FS="/"
     ;;
-  Windows* )
+  Windows* | CYGWIN* )
     FS="\\"
     ;;
 esac