Fixed bug in 'Find overrides': when overrides were in partial classes, the search result sometimes used the wrong class part.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@3885 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/TextEditor/Commands/ClassMemberMenuBuilder.cs

@@ -187,7 +187,7 @@ namespace ICSharpCode.SharpDevelop.DefaultEditor.Commands
 				if (m != null && !m.Region.IsEmpty) {
 					string matchText = ambience.Convert(m);
 					SearchResultMatch res = new SimpleSearchResultMatch(matchText, new TextLocation(m.Region.BeginColumn - 1, m.Region.BeginLine - 1));
-					res.ProvidedDocumentInformation = FindReferencesAndRenameHelper.GetDocumentInformation(derivedClass.CompilationUnit.FileName);
+					res.ProvidedDocumentInformation = FindReferencesAndRenameHelper.GetDocumentInformation(m.DeclaringType.CompilationUnit.FileName);
 					results.Add(res);
 				}
 			}