automatically determine number of watch faces

movement/watch_faces/settings/preferences_face.h

@@ -8,12 +8,12 @@ void preferences_face_activate(movement_settings_t *settings, void *context);
 bool preferences_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
 void preferences_face_resign(movement_settings_t *settings, void *context);
 
-#define preferences_face { \
-    preferences_face_setup, \
-    preferences_face_activate, \
-    preferences_face_loop, \
-    preferences_face_resign, \
-    NULL, \
-}
+static const watch_face_t preferences_face = {
+    preferences_face_setup,
+    preferences_face_activate,
+    preferences_face_loop,
+    preferences_face_resign,
+    NULL
+};
 
 #endif // PREFERENCES_FACE_H_

movement/watch_faces/settings/set_time_face.h

@@ -8,12 +8,12 @@ void set_time_face_activate(movement_settings_t *settings, void *context);
 bool set_time_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
 void set_time_face_resign(movement_settings_t *settings, void *context);
 
-#define set_time_face { \
-    set_time_face_setup, \
-    set_time_face_activate, \
-    set_time_face_loop, \
-    set_time_face_resign, \
-    NULL, \
-}
+static const watch_face_t set_time_face = {
+    set_time_face_setup,
+    set_time_face_activate,
+    set_time_face_loop,
+    set_time_face_resign,
+    NULL
+};
 
 #endif // SET_TIME_FACE_H_