Add windows specific test for pbd/windows_timer_utils.h API

libs/pbd/test/windows_timer_utils_test.h

@@ -0,0 +1,15 @@
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+class WindowsTimerUtilsTest : public CppUnit::TestFixture
+{
+	CPPUNIT_TEST_SUITE (WindowsTimerUtilsTest);
+	CPPUNIT_TEST (testQPC);
+	CPPUNIT_TEST (testMMTimers);
+	CPPUNIT_TEST_SUITE_END ();
+
+public:
+	void testQPC ();
+	void testMMTimers ();
+
+};