Fix a think-o in the disable-kaleidoscope-tests-on-windows predicate of r354646.

llvm-svn: 354650

llvm/test/Examples/lit.local.cfg

-if not config.build_examples and not sys.platform in ['win32', 'Windows']:
+if not config.build_examples or sys.platform in ['win32']:
   config.unsupported = True
\ No newline at end of file