Fix potential NPE in setting shared permissions

James Moger

2013-09-23 288d6cc169706607601f185505fca50f9950c30b

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

@@ -37,6 +37,8 @@

   public final String username;

   public String locale;
	
   private final Map<String, UserRepositoryPreferences> repositoryPreferences = new TreeMap<String, UserRepositoryPreferences>();

   public UserPreferences(String username) {