user32: Avoid including winuser16.h in 32-bit files.

dlls/user32/defwnd.c

@@ -33,7 +33,6 @@
 #include "user_private.h"
 #include "controls.h"
 #include "wine/unicode.h"
-#include "wine/winuser16.h"
 #include "wine/server.h"
 #include "wine/exception.h"
 #include "wine/debug.h"
@@ -44,6 +43,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(win);
 #define KEYDATA_ALT             0x2000
 #define KEYDATA_PREVSTATE       0x4000
 
+#define DRAG_FILE  0x454C4946
+
 static short iF10Key = 0;
 static short iMenuSysKey = 0;
 static const WCHAR imm32W[] = { 'i','m','m','3','2','\0' };

dlls/user32/desktop.c

@@ -31,7 +31,6 @@
 #include "winbase.h"
 #include "wingdi.h"
 #include "controls.h"
-#include "wine/winuser16.h"
 
 static HBRUSH hbrushPattern;
 static HBITMAP hbitmapWallPaper;

dlls/user32/dialog.c

@@ -34,7 +34,6 @@
 #include "wingdi.h"
 #include "winuser.h"
 #include "winnls.h"
-#include "wine/winuser16.h"
 #include "wine/unicode.h"
 #include "controls.h"
 #include "win.h"
@@ -566,7 +565,7 @@ static HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCVOID dlgTemplate,
     size.cx = rect.right - rect.left;
     size.cy = rect.bottom - rect.top;
 
-    if (template.x == CW_USEDEFAULT16)
+    if (template.x == (SHORT)0x8000 /*CW_USEDEFAULT16*/)
     {
         pos.x = pos.y = CW_USEDEFAULT;
     }