Some small bug fixes

OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs

@@ -29,6 +29,7 @@ using System;
 using System.Collections.Generic;
 using System.Drawing;
 using System.IO;
+using System.Diagnostics;
 using System.Linq;
 using System.Threading;
 using System.Xml;

OpenSim/Region/Framework/Scenes/ScenePresence.cs

@@ -4330,7 +4330,7 @@ if (m_animator.m_jumping) force.Z = m_animator.m_jumpVelocity;     // add for ju
                     }
 
                     m_log.InfoFormat(
-                        "[ATTACHMENT]: Rezzed attachment in point {0} from item {1} and asset {3}",
+                        "[ATTACHMENT]: Rezzed attachment in point {0} from item {1} and asset {2}",
                         p, itemID, asset);
                 }
                 catch (Exception e)