macosx: device open: set new media folder as current item when it is added

(cherry picked from commit ad09e6fbfb12153fd79cc5256b33407fec3309b8)
Signed-off-by: David Fuhrmann <david.fuhrmann@googlemail.com>

modules/gui/macosx/open.m

@@ -871,6 +871,10 @@ static VLCOpen *_o_sharedMainInstance = nil;
         else
             [o_disc_selector_pop setHidden: NO];
 
+        // select newly added media folder
+        if (o_notification && [[o_notification name] isEqualToString:@"VLCNewMediaFolderNotification"])
+            [o_disc_selector_pop selectItemAtIndex: [[o_disc_selector_pop itemArray] count] - 1];
+
         [self showSelectedOpticalDisc];
     }
     else
@@ -903,7 +907,7 @@ static VLCOpen *_o_sharedMainInstance = nil;
         if ([o_path length] > 0 )
         {
             [o_specialMediaFolders addObject: o_path];
-            [self scanOpticalMedia: nil];
+            [self scanOpticalMedia: [NSNotification notificationWithName:@"VLCNewMediaFolderNotification" object:nil]];
         }
     }
 }