Wine: compilation fixes

modules/video_output/msw/directx.c

@@ -47,6 +47,7 @@
 #include <vlc_vout.h>
 
 #include <windows.h>
+#include <tchar.h>
 #include <ddraw.h>
 #include <commctrl.h>
 

modules/video_output/msw/events.c

@@ -44,6 +44,7 @@
 #include <vlc_window.h>
 
 #include <windows.h>
+#include <tchar.h>
 #include <windowsx.h>
 #include <shellapi.h>
 

modules/video_output/msw/wingdi.c

@@ -36,6 +36,8 @@
 #include <vlc_playlist.h>
 #include <vlc_vout.h>
 
+#include <windows.h>
+#include <tchar.h>
 #include <commctrl.h>
 
 /*#ifdef MODULE_NAME_IS_wingapi