Remove X_DC_INFO from DC and make it behave like any other PDEVICE.

diff --git a/include/x11font.h b/include/x11font.h
index 268fe1a..df63728 100644
--- a/include/x11font.h
+++ b/include/x11font.h
@@ -8,7 +8,7 @@
 #define __WINE_X11FONT_H
 
 #include "gdi.h"
-
+#include "x11drv.h"
 #pragma pack(1)
 
 /* this is a part of the font resource header, should