Fix csi-snapshotter RBAC yaml version

Signed-off-by: Grant Griffiths <grant@portworx.com>

prow.sh

@@ -1066,15 +1066,21 @@ main () {
                 docker tag "$i:latest" "$i:csiprow" || die "tagging the locally built container image for $i failed"
             done
 
-            if [ -e deploy/kubernetes/rbac.yaml ]; then
+            if [ -e "$(pwd)/deploy/kubernetes/rbac.yaml" ] || [ -e "$(pwd)/deploy/kubernetes/csi-snapshotter/rbac-csi-snapshotter.yaml" ]; then
                 # This is one of those components which has its own RBAC rules (like external-provisioner).
                 # We are testing a locally built image and also want to test with the the current,
                 # potentially modified RBAC rules.
+
+                # snapshot-controller RBAC is handled by the cluster manager
+                cmds=${cmds//snapshot-controller/}
                 if [ "$(echo "$cmds" | wc -w)" != 1 ]; then
                     die "ambiguous deploy/kubernetes/rbac.yaml: need exactly one command, got: $cmds"
                 fi
                 e=$(echo "$cmds" | tr '[:lower:]' '[:upper:]' | tr - _)
                 images="$images ${e}_RBAC=$(pwd)/deploy/kubernetes/rbac.yaml"
+                if [ -e "$(pwd)/deploy/kubernetes/csi-snapshotter/rbac-csi-snapshotter.yaml" ]; then
+                    images="$images ${e}_RBAC=$(pwd)/deploy/kubernetes/csi-snapshotter/rbac-csi-snapshotter.yaml"
+                fi
             fi
         fi