Fix NPE when adding a permission without a registrant (issue-344)

James Moger

2013-11-26 67389b9e7060b7f917a8383ec04d3a0c6bd24c5c

 src/main/java/com/gitblit/wicket/panels/RegistrantPermissionsPanel.java

@@ -261,6 +261,9 @@
            if (rp.permission == null) {
               return;
            }
            if (rp.registrant == null) {
               return;
            }
            RegistrantAccessPermission copy = DeepCopier.copy(rp);
            if (StringUtils.findInvalidCharacter(copy.registrant) != null) {
               copy.permissionType = PermissionType.REGEX;