RefControl: Fix log statement

The caller information should be included at the end and not appear in
the middle of the log statement.

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: I2d0558817ad351e395bd591df6cc76be9b81fb26

java/com/google/gerrit/server/permissions/RefControl.java

@@ -388,8 +388,8 @@ class RefControl {
   private boolean canPerform(String permissionName, boolean isChangeOwner, boolean withForce) {
     if (isBlocked(permissionName, isChangeOwner, withForce)) {
       logger.atFine().log(
-          "'%s' cannot perform '%s' with force=%s on project '%s' for ref '%s' (caller: %s)"
+          "'%s' cannot perform '%s' with force=%s on project '%s' for ref '%s'"
-              + " because this permission is blocked",
+              + " because this permission is blocked (caller: %s)",
           getUser().getLoggableName(),
           permissionName,
           withForce,