macosx: add trademark claim to about panel

modules/gui/macosx/about.h

@@ -42,6 +42,7 @@
     IBOutlet id o_name_field;
     IBOutlet id o_icon_view;
     IBOutlet id o_joinus_txt;
+    IBOutlet id o_trademarks_txt;
 
     NSTimer *o_scroll_timer;
     float f_current;

modules/gui/macosx/about.m

@@ -101,6 +101,7 @@ static VLAboutBox *_o_sharedInstance = nil;
         attrStr = [[NSAttributedString alloc] initWithString:_NS("Authors") attributes:stringAttributes];
         [o_authors_btn setAttributedTitle:attrStr];
         [attrStr release];
+        [o_trademarks_txt setStringValue:_NS("VLC media player and VideoLAN are trademarks of the VideoLAN Association.")];
 
         /* setup the creator / revision field */
         NSString *compiler;