[WIN32SS:NTUSER] Extract InitVideo() prototype and gbBaseVideo variable to header

win32ss/user/ntuser/display.h

@@ -0,0 +1,7 @@
+#pragma once
+
+extern BOOL gbBaseVideo;
+
+NTSTATUS
+NTAPI
+InitVideo(VOID);

win32ss/user/ntuser/ntuser.c

@@ -111,10 +111,6 @@ InitUserImpl(VOID)
     return STATUS_SUCCESS;
 }
 
-NTSTATUS
-NTAPI
-InitVideo(VOID);
-
 NTSTATUS
 NTAPI
 UserInitialize(VOID)

win32ss/win32kp.h

@@ -67,6 +67,7 @@ typedef struct _DC *PDC;
 #include "user/ntuser/accelerator.h"
 #include "user/ntuser/hook.h"
 #include "user/ntuser/clipboard.h"
+#include "user/ntuser/display.h"
 #include "user/ntuser/winsta.h"
 #include "user/ntuser/msgqueue.h"
 #include "user/ntuser/desktop.h"