Do not pass null email address to PersonIdent

James Moger

2012-12-22 b461a45f420471f931029898d97464ecc5039f49

 src/com/gitblit/utils/ObjectCache.java

@@ -91,4 +91,8 @@
      }

      return null;

   }

	
   public int size() {

      return cache.size();

   }

}