dix: Delete mibstore.h

Since Nov 2010 (commit c4c4676) the only purpose of mibstore.h was to
define an empty function (miInitializeBackingStore()) for backward
compatibility. Time to say goodbye.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>

mi/Makefile.am

@@ -1,7 +1,7 @@
 noinst_LTLIBRARIES = libmi.la
 
 if XORG
-sdk_HEADERS = micmap.h miline.h mipointer.h mi.h mibstore.h \
+sdk_HEADERS = micmap.h miline.h mipointer.h mi.h \
               migc.h mipointrst.h mizerarc.h micoord.h mifillarc.h \
               mispans.h miwideline.h mistruct.h mifpoly.h mioverlay.h
 endif
@@ -12,7 +12,6 @@ libmi_la_SOURCES = 	\
 	mi.h		\
 	miarc.c		\
 	mibitblt.c	\
-	mibstore.h	\
 	micmap.c	\
 	micmap.h	\
 	micoord.h	\

mi/mibstore.h

@@ -1,23 +0,0 @@
-/*-
- * mibstore.h --
- *	Header file for users of the MI backing-store scheme.
- *
- * Copyright (c) 1987 by the Regents of the University of California
- *
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies.  The University of California
- * makes no representations about the suitability of this
- * software for any purpose.  It is provided "as is" without
- * express or implied warranty.
- */
-
-#ifndef _MIBSTORE_H
-#define _MIBSTORE_H
-
-#include "screenint.h"
-
-#define miInitializeBackingStore(x) do {} while (0)
-
-#endif                          /* _MIBSTORE_H */