Fixed SD2-557: .resx file becomes invalid when all resources are removed

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@731 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/FormDesigner/Project/Src/FormDesigner/Services/DesignerResourceService.cs

@@ -59,9 +59,7 @@ namespace ICSharpCode.FormDesigner.Services
 
 			public void Save(string fileName)
 			{
-				using (BinaryWriter binWriter = new BinaryWriter(System.IO.File.OpenWrite(fileName))) {
-					binWriter.Write(this.storage);
-				}
+				File.WriteAllBytes(fileName, storage);
 			}
 		}
 		#endregion