Fixes findbugs warning - dereferencing null in exception case

Simon Harrer

2013-07-18 fbe265fa787e4be9cb63c6bae2ef30b9400d9afc

 src/main/java/com/gitblit/models/RefLogEntry.java

@@ -330,6 +330,9 @@
   }



   public PersonIdent getAuthorIdent() {

      if (getAuthorCount() == 1) {

         return getCommits().get(0).getAuthorIdent();

      }

      return getCommitterIdent();

   }