Changed the FOR_NB_SCREENS macro to always be a for loop that declares its own loop variable. This removes the need to declare this variable in the outer scope.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30756 a1c6a512-1295-4272-9138-f99709370657

apps/radio/radio_skin.c

@@ -63,7 +63,6 @@ char* default_radio_skin(enum screen_type screen)
 
 void fms_fix_displays(enum fms_exiting toggle_state)
 {
-    int i;
     FOR_NB_SCREENS(i)
     {
         struct wps_data *data = skin_get_gwps(FM_SCREEN, i)->data;