Removed #include of wingdi.h and windef.h from winuser.h (and resolved
the resulting compilation failures).

diff --git a/dlls/mouse/mouse_main.c b/dlls/mouse/mouse_main.c
index 71edd1f..440af17b 100644
--- a/dlls/mouse/mouse_main.c
+++ b/dlls/mouse/mouse_main.c
@@ -13,6 +13,8 @@
 #include "module.h"
 #include "mouse.h"
 #include "monitor.h"
+#include "windef.h"
+#include "wingdi.h"
 #include "winuser.h"
 #include "win.h"
 #include "wine/winbase16.h"