fix comment typo

Joel Johnson

2015-07-01 d3e20b1e4c76b5407fe5d72fa343da1c2a065e90

 src/main/java/com/gitblit/manager/UserManager.java

@@ -120,7 +120,7 @@
               File realmFile = runtimeManager.getFileOrFolder(Keys.realm.userService, "${baseFolder}/users.conf");
               service = createUserService(realmFile);
            } catch (InstantiationException | IllegalAccessException  e) {
               logger.error("failed to instanciate user service {}: {}", realm, e.getMessage());
               logger.error("failed to instantiate user service {}: {}", realm, e.getMessage());
            }
         }
         setUserService(service);