macosx gui: fix selection of VIDEO_TS option in Open Dialog

This closes #2845
(cherry picked from commit 4271ab26)
Signed-off-by: Derk-Jan Hartman <hartman@videolan.org>

modules/gui/macosx/open.m

@@ -584,7 +584,7 @@ static VLCOpen *_o_sharedMainInstance = nil;
  
     o_type = [[o_disc_type selectedCell] title];
 
-    if ( [o_type isEqualToString: _NS("VIDEO_TS directory")] )
+    if ( [o_type isEqualToString: _NS("VIDEO_TS folder")] )
     {
         b_device = NO; b_no_menus = YES;
     }