Add Xtrans definitions (FONT_t, TRANS_CLIENT) to clean up warnings.

Add XSERV_t, TRANS_SERVER, TRANS_REOPEN to quash warnings.
Add #include <dix-config.h> or <xorg-config.h>, as appropriate, to all
    source files in the xserver/xorg tree, predicated on defines of
    HAVE_{DIX,XORG}_CONFIG_H. Change all Xfont includes to
    <X11/fonts/foo.h>.

Xprint/DiPrint.h

@@ -38,6 +38,10 @@ copyright holders.
  * request will allow us to build it with the description in the locale of
  * the requesting client.
  */
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
 #ifndef _XpDiPrint_H_
 #define _XpDiPrint_H_ 1