camera: documentation annotation fixes

Author: EmmanuelP

src/arvcamera.c

@@ -2003,7 +2003,7 @@ arv_camera_dup_available_components (ArvCamera *camera, guint *n_components, GEr
  * @camera: a #ArvCamera
  * @component: component to select
  * @flags: a #ArvComponentSelectionFlags
- * @component_id: (optional): a placeholder for the component id
+ * @component_id: (out) (optional): a placeholder for the component id
  * @error: a #GError placeholder, %NULL to ignore
  *
  * Select and enable or disable the given @component.

src/arvcamera.h

@@ -163,7 +163,7 @@ ARV_API const char **   arv_camera_dup_available_components     (ArvCamera *came
 ARV_API void            arv_camera_select_and_enable_component  (ArvCamera *camera, const char *component,
                                                                  gboolean disable_others, GError **error);
 ARV_API gboolean        arv_camera_select_component             (ArvCamera *camera, const char *component,
-                                                                 ArvComponentSelectionFlags flags, guint *id,
+                                                                 ArvComponentSelectionFlags flags, guint *component_id,
                                                                  GError **error);
 
 /* Transport layer control */