Do not pass null email address to PersonIdent

James Moger

2012-12-22 b461a45f420471f931029898d97464ecc5039f49

 src/com/gitblit/GitBlitException.java

@@ -31,6 +31,10 @@
      super(message);

   }



   public GitBlitException(Throwable cause) {

      super(cause);

   }



   /**

    * Exception to indicate that the client should prompt for credentials

    * because the requested action requires authentication.