mesa: use .cherry-ignore in the get-pick-list.sh script

NOTE: This is a candidate for the stable branches.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
diff --git a/bin/get-pick-list.sh b/bin/get-pick-list.sh
index 7288090..a141afe 100755
--- a/bin/get-pick-list.sh
+++ b/bin/get-pick-list.sh
@@ -12,8 +12,8 @@
 while read sha
 do
 	# Check to see whether the patch is on the ignore list.
-	if [ -f .git/cherry-ignore ] ; then
-		if grep -q ^$sha .git/cherry-ignore ; then
+	if [ -f bin/.cherry-ignore ] ; then
+		if grep -q ^$sha bin/.cherry-ignore ; then
 			continue
 		fi
 	fi