More Cleanup from Code Analysis

Framework/Constants/Authentication/RealmConst.cs

@@ -14,9 +14,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+using System;
 
 namespace Framework.Constants
 {
+    [Flags]
     public enum RealmFlags
     {
         None = 0x00,

Framework/Util/CollectionExtensions.cs

@@ -126,7 +126,6 @@ namespace System.Collections.Generic
             list = listCopy;
         }
 
-
         public static T SelectRandom<T>(this IEnumerable<T> source)
         {
             return source.SelectRandom(1).Single();