Commiting Avination's memleak fix-a-thon, installment #1

As the MinHeap shrinks, free object references that have been sent. Also,
free the last item when it empties.

1 files changed, 8 insertions, 4 deletions

diff --git a/OpenSim/Framework/MinHeap.cs b/OpenSim/Framework/MinHeap.cs
index 33d0364..99ac25d 100644
--- a/OpenSim/Framework/MinHeap.cs
+++ b/OpenSim/Framework/MinHeap.cs
@@ -63,12 +63,15 @@ namespace OpenSim.Framework
 
             internal void Clear()
             {
-                this.value = default(T);
                 if (this.handle != null)
-                {
                     this.handle.Clear();
-                    this.handle = null;
-                }
+                ClearRef();
+            }
+
+            internal void ClearRef()
+            {
+                this.value = default(T);
+                this.handle = null;
             }
         }
 
@@ -285,6 +288,7 @@ namespace OpenSim.Framework
             if (--this.size > 0 && index != this.size)
             {
                 Set(this.items[this.size], index);
+                this.items[this.size].ClearRef();
                 if (!BubbleUp(index))
                     BubbleDown(index);
             }