Step 4 of voice UI:

- "talkbox" functionality added, but yet without thumbnail recording
- menu under "general settings" to configure voice
- directories and folders can be voiced as a numbers


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4440 a1c6a512-1295-4272-9138-f99709370657

apps/talk.h

@@ -54,6 +54,9 @@ enum {
 /* convenience macro to have both string and ID as arguments */
 #define STR(id) str(id), id
 
+/* publish this string, so it's stored only once (better than #define) */
+extern const char* dir_thumbnail_name;
+
 
 void talk_init(void);
 int talk_buffer_steal(void); /* claim the mp3 buffer e.g. for play/record */