Ignore errors when loading the view content mementos from LastViewStates.xml (may happen after low disk space condition, see http://community.sharpdevelop.net/forums/t/8592.aspx).

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@3647 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Gui/Workbench/DefaultWorkbench.cs

@@ -427,7 +427,12 @@ namespace ICSharpCode.SharpDevelop.Gui
 		
 		Properties LoadOrCreateViewContentMementos()
 		{
-			return Properties.Load(this.ViewContentMementosFileName) ?? new Properties();
+			try {
+				return Properties.Load(this.ViewContentMementosFileName) ?? new Properties();
+			} catch (Exception ex) {
+				LoggingService.Warn("Error while loading the view content memento file. Discarding any saved view states.", ex);
+				return new Properties();
+			}
 		}
 		
 		static string GetMementoKeyName(IViewContent viewContent)