[recipes] Don't drop rows with empty amount when saving

[Matthias Clasen <matthiasc src gnome org>]

commit eb0fd912ddca0c800c195a3b30047fc3fe7a3be2
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat May 27 18:59:01 2017 -0400

    Don't drop rows with empty amount when saving
    
    We were not careful enough when saving a recipe, and
    didn't handle empty amounts right.

 src/gr-ingredients-viewer.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gr-ingredients-viewer.c b/src/gr-ingredients-viewer.c
index 882f101..33441c3 100644
--- a/src/gr-ingredients-viewer.c
+++ b/src/gr-ingredients-viewer.c
@@ -157,7 +157,7 @@ collect_ingredients (GrIngredientsViewer *viewer)
                 if (s->len > 0)
                         g_string_append (s, "\n");
                 g_string_append_printf (s, "%s\t%s\t%s\t%s",
-                                        amount, unit, id ? id : ingredient, viewer->title);
+                                        amount ? amount : "", unit ? unit : "", id ? id : ingredient, 
viewer->title);
         }
         g_list_free (children);