Bug 1033887 - Do not build TestSTLWrappers.cpp with clang-cl; r=bsmedberg

xpcom/tests/moz.build

@@ -43,7 +43,7 @@ if CONFIG['OS_TARGET'] == 'WINNT':
         'TestBase64',
     ]
 
-if CONFIG['WRAP_STL_INCLUDES']:
+if CONFIG['WRAP_STL_INCLUDES'] and not CONFIG['CLANG_CL']:
     SIMPLE_PROGRAMS += [
         'TestSTLWrappers',
     ]