[findbugs] Add null check when testing if a user is disabled in SessionPage

James Moger

2014-04-17 68fb1791fa8033d464d50e45481d04c3e3d0a025

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

@@ -24,6 +24,7 @@
    *
    * @param username
    * @return true if the specified username represents an internal account
     * @since 1.4.0
    */
   boolean isInternalAccount(String username);