But make sure we are performing an update before we go willy-nilly removing .sha1s.

utils/imagevalidate.in

@@ -277,7 +277,7 @@ sub doimage($)
     if (! -r "$path") {
 	print STDERR "$pidimage: path: image path '$path' cannot be read\n";
 	# if root and cannot read it, it doesn't exist so get rid of .sha1 file too
-	if ($UID == 0) {
+	if ($UID == 0 && ($update || $fixit)) {
 	    removehashfile($path);
 	}
 	return 1;