Disable test_windowed_invalidate.html on non-Windows, since it's only needed for Windows and seems to be failing on GTK2 at least

--HG--
extra : rebase_source : dc4114dfddee4d8714f7d5c881356352791e6400

modules/plugin/test/mochitest/Makefile.in

@@ -65,9 +65,14 @@ _MOCHITEST_FILES = \
 		test_pluginstream_poststream.html \
 		test_pluginstream_seek.html \
 		test_pluginstream_newstream.html \
-		test_windowed_invalidate.html \
 		$(NULL)
 
+ifeq ($(OS_ARCH),WINNT)
+_MOCHITEST_FILES += \
+ 		test_windowed_invalidate.html \
+        $(NULL)
+endif
+
 _MOCHICHROME_FILES = \
 		test_bug479979.xul \
 		test_npruntime.xul   \