We don't need event wrappers for Windows.

src/xpdev/xpevent.h

@@ -38,6 +38,12 @@
 #ifndef _XPEVENT_H_
 #define _XPEVENT_H_
 
+#ifdef _WIN32
+
+typedef HANDLE xpevent_t;
+
+#else
+
 #include <pthread.h>
 #include "gen_defs.h"
 
@@ -81,3 +87,5 @@ enum {
 };
 
 #endif
+
+#endif