Add 'FONT_PATH_NAME_ELEMENT_CONST' to dix-config.h and xorg-server.h

This signals to the fontsproto code that the X server has been fixed
to allow the name member in a FontPathElement struct to be declared
const to eliminate piles of warnings when assigning string constants
to them.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

include/dix-config.h.in

@@ -472,4 +472,7 @@
 /* Don't let Xdefs.h define 'pointer' */
 #define _XTYPEDEF_POINTER       1
 
+/* Ask fontsproto to make font path element names const */
+#define FONT_PATH_ELEMENT_NAME_CONST    1
+
 #endif /* _DIX_CONFIG_H_ */

include/xorg-server.h.in

@@ -224,4 +224,7 @@
 /* Use XTrans FD passing support */
 #undef XTRANS_SEND_FDS
 
+/* Ask fontsproto to make font path element names const */
+#define FONT_PATH_ELEMENT_NAME_CONST    1
+
 #endif /* _XORG_SERVER_H_ */