Removes references to mibstore.h and miInitializeBackingStore, which
have been removed from xorg-server.  Zack Rusin <zackr@vmware.com>
wrote: "It was a noop for at least 5 years and it has been removed."
See: http://patches.openembedded.org/patch/46133/

diff -ru xf86-video-ast-0.93.10.orig/src/ast_2dtool.c xf86-video-ast-0.93.10/src/ast_2dtool.c
--- xf86-video-ast-0.93.10.orig/src/ast_2dtool.c	2012-03-23 21:40:56.000000000 -0400
+++ xf86-video-ast-0.93.10/src/ast_2dtool.c	2014-12-19 02:42:32.422383728 -0500
@@ -27,7 +27,6 @@
 #include "xf86_OSproc.h"
 #include "xf86cmap.h"
 #include "compiler.h"
-#include "mibstore.h"
 #include "vgaHW.h"
 #include "mipointer.h"
 #include "micmap.h"
diff -ru xf86-video-ast-0.93.10.orig/src/ast_accel.c xf86-video-ast-0.93.10/src/ast_accel.c
--- xf86-video-ast-0.93.10.orig/src/ast_accel.c	2012-03-23 21:40:56.000000000 -0400
+++ xf86-video-ast-0.93.10/src/ast_accel.c	2014-12-19 02:41:55.534200809 -0500
@@ -27,7 +27,6 @@
 #include "xf86_OSproc.h"
 #include "xf86cmap.h"
 #include "compiler.h"
-#include "mibstore.h"
 #include "vgaHW.h"
 #include "mipointer.h"
 #include "micmap.h"
diff -ru xf86-video-ast-0.93.10.orig/src/ast_cursor.c xf86-video-ast-0.93.10/src/ast_cursor.c
--- xf86-video-ast-0.93.10.orig/src/ast_cursor.c	2012-03-23 21:40:56.000000000 -0400
+++ xf86-video-ast-0.93.10/src/ast_cursor.c	2014-12-19 02:42:37.258407708 -0500
@@ -27,7 +27,6 @@
 #include "xf86_OSproc.h"
 #include "xf86cmap.h"
 #include "compiler.h"
-#include "mibstore.h"
 #include "vgaHW.h"
 #include "mipointer.h"
 #include "micmap.h"
diff -ru xf86-video-ast-0.93.10.orig/src/ast_driver.c xf86-video-ast-0.93.10/src/ast_driver.c
--- xf86-video-ast-0.93.10.orig/src/ast_driver.c	2012-03-23 21:40:56.000000000 -0400
+++ xf86-video-ast-0.93.10/src/ast_driver.c	2014-12-19 02:42:50.710474414 -0500
@@ -31,7 +31,6 @@
 #endif
 #include "xf86cmap.h"
 #include "compiler.h"
-#include "mibstore.h"
 #include "vgaHW.h"
 #include "mipointer.h"
 #include "micmap.h"
@@ -865,7 +864,6 @@
    }
 #endif /* end of Accel_2D */
      
-   miInitializeBackingStore(pScreen);
    xf86SetBackingStore(pScreen);
    xf86SetSilkenMouse(pScreen);
 
diff -ru xf86-video-ast-0.93.10.orig/src/ast_mode.c xf86-video-ast-0.93.10/src/ast_mode.c
--- xf86-video-ast-0.93.10.orig/src/ast_mode.c	2012-03-23 21:40:56.000000000 -0400
+++ xf86-video-ast-0.93.10/src/ast_mode.c	2014-12-19 02:42:24.894346398 -0500
@@ -27,7 +27,6 @@
 #include "xf86_OSproc.h"
 #include "xf86cmap.h"
 #include "compiler.h"
-#include "mibstore.h"
 #include "vgaHW.h"
 #include "mipointer.h"
 #include "micmap.h"
diff -ru xf86-video-ast-0.93.10.orig/src/ast_tool.c xf86-video-ast-0.93.10/src/ast_tool.c
--- xf86-video-ast-0.93.10.orig/src/ast_tool.c	2012-03-23 21:40:56.000000000 -0400
+++ xf86-video-ast-0.93.10/src/ast_tool.c	2014-12-19 02:42:03.930242443 -0500
@@ -27,7 +27,6 @@
 #include "xf86_OSproc.h"
 #include "xf86cmap.h"
 #include "compiler.h"
-#include "mibstore.h"
 #include "vgaHW.h"
 #include "mipointer.h"
 #include "micmap.h"
diff -ru xf86-video-ast-0.93.10.orig/src/ast_vgatool.c xf86-video-ast-0.93.10/src/ast_vgatool.c
--- xf86-video-ast-0.93.10.orig/src/ast_vgatool.c	2012-03-23 21:40:56.000000000 -0400
+++ xf86-video-ast-0.93.10/src/ast_vgatool.c	2014-12-19 02:42:18.406314226 -0500
@@ -27,7 +27,6 @@
 #include "xf86_OSproc.h"
 #include "xf86cmap.h"
 #include "compiler.h"
-#include "mibstore.h"
 #include "vgaHW.h"
 #include "mipointer.h"
 #include "micmap.h"