Fix error on generating activity page when there is no activity

James Moger

2013-10-15 e1908933fa9968b11e9ea03d88730aee3140534b

 src/main/java/com/gitblit/utils/ModelUtils.java

@@ -38,7 +38,7 @@
         userRepoPrefix = Constants.DEFAULT_USER_REPOSITORY_PREFIX;
         return;
      }
		

      String newPrefix = prefix.replace('\\', '/');
      if (prefix.charAt(0) == '/') {
         newPrefix = prefix.substring(1);