[longomatch] Update Swap method to make it easier to use

[Andoni Morales Alastruey <amorales src gnome org>]

commit 1be713b860b785772403eb35f23bc80aefc15e84
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Thu May 29 12:03:36 2014 +0200

    Update Swap method to make it easier to use

 LongoMatch.Core/Common/ExtensionMethods.cs |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/LongoMatch.Core/Common/ExtensionMethods.cs b/LongoMatch.Core/Common/ExtensionMethods.cs
index 8b7527e..f1f9fc4 100644
--- a/LongoMatch.Core/Common/ExtensionMethods.cs
+++ b/LongoMatch.Core/Common/ExtensionMethods.cs
@@ -22,8 +22,12 @@ namespace LongoMatch.Common
 {
        public static class ExtensionMethods
        {
-               public static void Swap<T>(this List<T> list, int index1, int index2)
+               public static void Swap<T>(this List<T> list, T e1, T e2)
                {
+                       int index1, index2;
+                       
+                       index1 = list.IndexOf (e1);
+                       index2 = list.IndexOf (e2);
                        T temp = list[index1];
                        list[index1] = list[index2];
                        list[index2] = temp;