[findbugs] Fix throws signature

James Moger

2014-04-17 fa205f0c6bfa572a503caee44b5ff9f5086f99fb

 src/test/java/com/gitblit/tests/mock/MemorySettings.java

@@ -48,6 +48,11 @@
   }

   @Override
   public boolean saveSettings() {
      return false;
   }

   @Override
   public boolean saveSettings(Map<String, String> updatedSettings) {
      return false;
   }