gdi32: Make sure the DC is up-to-date before accessing the pixel format.

dlls/gdi32/opengl.c

@@ -253,6 +253,7 @@ static BOOL WINAPI wglSetPixelFormatWINE(HDC hdc, int iPixelFormat, const PIXELF
 
     if (!dc) return 0;
 
+    update_dc( dc );
     if (!dc->funcs->pwglSetPixelFormatWINE) FIXME(" :stub\n");
     else bRet = dc->funcs->pwglSetPixelFormatWINE(dc->physDev, iPixelFormat, ppfd);
 

dlls/gdi32/painting.c

@@ -372,6 +372,7 @@ BOOL WINAPI SetPixelFormat( HDC hdc, INT iPixelFormat,
 
     if (!dc) return 0;
 
+    update_dc( dc );
     if (!dc->funcs->pSetPixelFormat) FIXME(" :stub\n");
     else bRet = dc->funcs->pSetPixelFormat(dc->physDev,iPixelFormat,ppfd);
 
@@ -433,6 +434,7 @@ INT WINAPI DescribePixelFormat( HDC hdc, INT iPixelFormat, UINT nBytes,
 
     if (!dc) return 0;
 
+    update_dc( dc );
     if (!dc->funcs->pDescribePixelFormat)
     {
         FIXME(" :stub\n");