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/parser/scan.c

@@ -56,6 +56,10 @@
 
 /* View/edit this file with tab stops set to 4 */
 
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
 #include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>