[PATCH:xf86-video-mach64] Remove call to obsolete miInitializeBackingStore()

[Alan Coopersmith]

Definition was deleted from Xorg during 1.14 merge window, but was a
no-op for many release cycles before that.

Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>
---
 src/atiscreen.c |    1 -
 1 file changed, 1 deletion(-)

diff --git a/src/atiscreen.c b/src/atiscreen.c
index 62a4dd9..15f399e 100644
--- a/src/atiscreen.c
+++ b/src/atiscreen.c
@@ -532,7 +532,6 @@ ATIScreenInit(SCREEN_INIT_ARGS_DECL)
 #endif /* AVOID_DGA */
 
     /* Initialise backing store */
-    miInitializeBackingStore(pScreen);
     xf86SetBackingStore(pScreen);
 
     /* Initialise cursor */
-- 
1.7.9.2