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-nv-2.1.20.orig/src/g80_driver.c xf86-video-nv-2.1.20/src/g80_driver.c
--- xf86-video-nv-2.1.20.orig/src/g80_driver.c	2012-07-17 02:47:02.000000000 -0400
+++ xf86-video-nv-2.1.20/src/g80_driver.c	2014-12-17 10:11:42.197579082 -0500
@@ -34,7 +34,6 @@
 #include <xf86Resources.h>
 #endif
 #include <mipointer.h>
-#include <mibstore.h>
 #include <micmap.h>
 #include <xf86cmap.h>
 #include <fb.h>
@@ -833,7 +832,6 @@
         }
     }
 
-    miInitializeBackingStore(pScreen);
     xf86SetBackingStore(pScreen);
     xf86SetSilkenMouse(pScreen);
 
diff -ru xf86-video-nv-2.1.20.orig/src/nv_driver.c xf86-video-nv-2.1.20/src/nv_driver.c
--- xf86-video-nv-2.1.20.orig/src/nv_driver.c	2012-07-17 02:47:02.000000000 -0400
+++ xf86-video-nv-2.1.20/src/nv_driver.c	2014-12-17 10:11:39.037563413 -0500
@@ -2550,7 +2550,6 @@
     if (!pNv->NoAccel)
 	NVAccelInit(pScreen);
     
-    miInitializeBackingStore(pScreen);
     xf86SetBackingStore(pScreen);
     xf86SetSilkenMouse(pScreen);
 
diff -ru xf86-video-nv-2.1.20.orig/src/nv_include.h xf86-video-nv-2.1.20/src/nv_include.h
--- xf86-video-nv-2.1.20.orig/src/nv_include.h	2012-07-17 02:48:19.000000000 -0400
+++ xf86-video-nv-2.1.20/src/nv_include.h	2014-12-17 10:11:22.089479372 -0500
@@ -24,9 +24,6 @@
 /* All drivers initialising the SW cursor need this */
 #include "mipointer.h"
 
-/* All drivers implementing backing store need this */
-#include "mibstore.h"
-
 #include "micmap.h"
 
 #include "xf86DDC.h"
diff -ru xf86-video-nv-2.1.20.orig/src/riva_driver.c xf86-video-nv-2.1.20/src/riva_driver.c
--- xf86-video-nv-2.1.20.orig/src/riva_driver.c	2012-07-17 02:47:02.000000000 -0400
+++ xf86-video-nv-2.1.20/src/riva_driver.c	2014-12-17 10:11:31.101524060 -0500
@@ -1168,7 +1168,6 @@
     if (!pRiva->NoAccel)
 	RivaAccelInit(pScreen);
     
-    miInitializeBackingStore(pScreen);
     xf86SetBackingStore(pScreen);
     xf86SetSilkenMouse(pScreen);
 
diff -ru xf86-video-nv-2.1.20.orig/src/riva_include.h xf86-video-nv-2.1.20/src/riva_include.h
--- xf86-video-nv-2.1.20.orig/src/riva_include.h	2012-07-17 02:48:45.000000000 -0400
+++ xf86-video-nv-2.1.20/src/riva_include.h	2014-12-17 10:11:12.229430478 -0500
@@ -22,9 +22,6 @@
 /* All drivers initialising the SW cursor need this */
 #include "mipointer.h"
 
-/* All drivers implementing backing store need this */
-#include "mibstore.h"
-
 #include "micmap.h"
 
 #include "xf86DDC.h"