SD2-713. Renaming a folder to the same name as an existing folder was not updating the MSBuild project if the folder being renamed did not contain any files.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1213 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Gui/Pads/ProjectBrowser/TreeNodes/DirectoryNode.cs

@@ -487,9 +487,7 @@ namespace ICSharpCode.SharpDevelop.Project
 			if (Directory != null) {
 				string newPath = Path.Combine(Path.GetDirectoryName(Directory), newName);
 				if (System.IO.Directory.Exists(newPath)) {
-					if (System.IO.Directory.GetFiles(Directory).Length == 0) {
+					if (System.IO.Directory.GetFileSystemEntries(newPath).Length == 0) {
-						System.IO.Directory.Delete(Directory);
-					} else if (System.IO.Directory.GetFiles(newPath).Length == 0) {
 						System.IO.Directory.Delete(newPath);
 						FileService.RenameFile(Directory, newPath, true);
 					} else {