[gnome-photos] base-item: Avoid O(n) logic

[Debarshi Ray <debarshir src gnome org>]

commit cc4a60395b0e10114c142cd6d5071ba53f2278dc
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Oct 30 14:05:29 2015 +0100

    base-item: Avoid O(n) logic
    
    To check whether a GList is non-empty, it is faster to check it against
    NULL.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=757363

 src/photos-base-item.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/photos-base-item.c b/src/photos-base-item.c
index 7c573a5..ae1ae1c 100644
--- a/src/photos-base-item.c
+++ b/src/photos-base-item.c
@@ -225,7 +225,7 @@ photos_base_item_check_effects_and_update_info (PhotosBaseItem *self)
       emblem_icons = g_list_prepend (emblem_icons, pix);
     }
 
-  if (g_list_length (emblem_icons) > 0)
+  if (emblem_icons != NULL)
     {
       GIcon *emblemed_icon;
       GList *l;