Disable TestModuleCXX.test on Windows

Importing cxx modules doesn't seem to work on Windows:

error: a.out :: Class 'tagARRAYDESC' has a member 'tdescElem' of type
  'tagTYPEDESC' which does not have a complete definition.
error: a.out :: Class 'tagPARAMDESCEX' has a member 'varDefaultValue' of type
  'tagVARIANT' which does not have a complete definition.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@354300 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lit/Reproducer/Modules/TestModuleCXX.test b/lit/Reproducer/Modules/TestModuleCXX.test
index 2d4fc81..28996eb 100644
--- a/lit/Reproducer/Modules/TestModuleCXX.test
+++ b/lit/Reproducer/Modules/TestModuleCXX.test
@@ -1,3 +1,5 @@
+# REQUIRES: nowindows
+
 # Start fresh.
 # RUN: rm -rf %t.root
 # RUN: rm -rf %t.clang-cache