[gnome-photos] Add missing whitespace

[Debarshi Ray <debarshir src gnome org>]

commit 0a0c0f28f54cb80319ed8eed6e4fb3f07e47bc5b
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Jul 30 15:28:29 2013 +0200

    Add missing whitespace

 src/photos-flickr-item.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/photos-flickr-item.c b/src/photos-flickr-item.c
index ffc7771..582a1c1 100644
--- a/src/photos-flickr-item.c
+++ b/src/photos-flickr-item.c
@@ -289,7 +289,7 @@ photos_flickr_item_open (PhotosBaseItem *item, GdkScreen *screen, guint32 timest
   const gchar *resource_urn;
   gchar *flickr_uri;
 
-  identifier = photos_base_item_get_identifier (item) + strlen("flickr:");
+  identifier = photos_base_item_get_identifier (item) + strlen ("flickr:");
 
   resource_urn = photos_base_item_get_resource_urn (item);
   source = PHOTOS_SOURCE (photos_base_manager_get_object_by_id (priv->src_mngr, resource_urn));