[recipes] Make a warning more helpful

[Matthias Clasen <matthiasc src gnome org>]

commit 7305f777699591d6d16465061705e6c2c3df37c8
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jun 18 13:48:11 2017 -0400

    Make a warning more helpful
    
    Mention the clashing id, so we have a chance to figure out
    what is going wrong.

 src/gr-recipe-store.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gr-recipe-store.c b/src/gr-recipe-store.c
index dc0b3d3..13eb3f7 100644
--- a/src/gr-recipe-store.c
+++ b/src/gr-recipe-store.c
@@ -1282,7 +1282,7 @@ gr_recipe_store_add_recipe (GrRecipeStore  *self,
         }
         if (g_hash_table_contains (self->recipes, id)) {
                 g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
-                             _("A recipe with this name and author already exists.\nPlease choose a 
different name"));
+                             _("A recipe with this name and author (%s) already exists.\nPlease choose a 
different name"), id);
                 return FALSE;
         }