fix OpenCommandPrompt implementation: works now if target path is on a drive different from the current working directory

src/Main/Base/Project/Src/Gui/Pads/ProjectBrowser/Commands/DefaultFileNodeCommands.cs

@@ -159,7 +159,7 @@ namespace ICSharpCode.SharpDevelop.Project.Commands
 				fileName = Path.GetDirectoryName(fileName);
 			else if (!Directory.Exists(fileName))
 				return;
-			Process.Start("cmd.exe", "/k cd \"" + fileName + "\"");
+			Process.Start(new ProcessStartInfo("cmd.exe") { WorkingDirectory = fileName });
 		}
 	}