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/loader/loadmod.c

@@ -49,6 +49,10 @@
  * authorization from the copyright holder(s) and author(s).
  */
 
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
 #include <X11/os.h>
 /* For stat() and related stuff */
 #define NO_OSLIB_PROTOTYPES