Fix warnings. Initialized struct needs at least one member actually initialized. Add a dummy until at least one is guaranteed in all builds. Please remove it at that point.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12223 a1c6a512-1295-4272-9138-f99709370657

apps/settings.c

@@ -78,6 +78,7 @@ struct user_settings global_settings;
    or reset should be defined here and not in settings_list */
 struct system_status global_status =
 {
+    .__dummy = 0,
 #ifdef CONFIG_TUNER
     .in_radio_screen     = false,
     .radio_status        = FMRADIO_OFF,

apps/settings.h

@@ -250,6 +250,9 @@ void settings_apply_trigger(void);
 
 struct system_status
 {
+    int __dummy;       /* dummy member needed until at least one statically
+                          initialized member is guaranteed to be in
+                          global_status */
     int resume_index;  /* index in playlist (-1 for no active resume) */
     int resume_first_index;  /* index of first track in playlist */
     uint32_t resume_offset; /* byte offset in mp3 file */