Avoid NPE when the default branch cannot be identified

Robin Rosenberg

2013-09-01 02ede7f11c6fb28ca53fc240905cd1b140236f08

 src/main/java/com/gitblit/authority/CertificatesTableModel.java

@@ -138,6 +138,9 @@
   

   public void setUserCertificateModel(UserCertificateModel ucm) {

      this.ucm = ucm;

      if (ucm == null) {

         return;

      }

      Collections.sort(ucm.certs, new Comparator<X509Certificate>() {

         @Override

         public int compare(X509Certificate o1, X509Certificate o2) {