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>.

hw/xfree86/xf4bpp/ppcWindow.c

@@ -70,6 +70,10 @@ SOFTWARE.
 */
 /* $XConsortium: ppcWindow.c /main/5 1996/02/21 17:58:43 kaleb $ */
 
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
 #include "xf4bpp.h"
 #include "mfbmap.h"
 #include "mfb.h"