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>.

xkb/xkb.c

@@ -26,6 +26,10 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE.
 ********************************************************/
 /* $XFree86: xc/programs/Xserver/xkb/xkb.c,v 3.22tsi Exp $ */
 
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
 #include <stdio.h>
 #include <X11/X.h>
 #define	NEED_EVENTS
@@ -36,7 +40,6 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #define	XKBSRV_NEED_FILE_FUNCS
 #include <X11/extensions/XKBsrv.h>
 #include "extnsionst.h"
-#include "modinit.h"
 #include "xkb.h"
 
 #include <X11/extensions/XI.h>