Fixed SD2-1033: Debugger locking assemblies

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@1832 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Wrappers/MetaData/MetaData.cs

@@ -24,6 +24,7 @@ namespace Debugger.Wrappers.MetaData
 		{
 			Guid guid = new Guid("{ 0x7dac8207, 0xd3ae, 0x4c75, { 0x9b, 0x67, 0x92, 0x80, 0x1a, 0x49, 0x7d, 0x44 } }");
 			metaData = (IMetaDataImport)pModule.GetMetaDataInterface(ref guid);
+			ResourceManager.TrackCOMObject(metaData, typeof(IMetaDataImport));
 		}
 		
 		public ISymUnmanagedReader GetSymReader(string fullname, string searchPath)
@@ -36,9 +37,17 @@ namespace Debugger.Wrappers.MetaData
 			}
 		}
 		
+		~MetaData()
+		{
+			Dispose();
+		}
+		
 		public void Dispose()
 		{
-			Marshal.FinalReleaseComObject(metaData);
+			if (metaData != null) {
+				ResourceManager.ReleaseCOMObject(metaData, typeof(IMetaDataImport));
+				metaData = null;
+			}
 		}
 		
 		public TypeDefProps GetTypeDefProps(uint typeToken)