patch from scott ferret: saving image resources with the correct extension

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@1110 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/ResourceEditor/Project/Src/Commands/SaveEntryAsCommand.cs

@@ -39,8 +39,8 @@ namespace ResourceEditor
 			sdialog.FileName = key;
 			
 			if (item.ResourceValue is Bitmap) {
-				sdialog.Filter 		= "Bitmap files (*.bmp)|*.bmp";
-				sdialog.DefaultExt 	= ".bmp";
+				sdialog.Filter 		= "Image files (*.png)|*.png";
+				sdialog.DefaultExt 	= ".png";
 			} else if (item.ResourceValue is Icon) {
 				sdialog.Filter 		= "Icon files (*.ico)|*.ico";
 				sdialog.DefaultExt 	= ".ico";