[recipes] Also extract Notes for translation

[Matthias Clasen <matthiasc src gnome org>]

commit c4a1fccbcafdb4f73f92214693f7589fb8de2741
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Feb 19 20:23:59 2017 -0500

    Also extract Notes for translation

 tools/recipe-extract.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/tools/recipe-extract.c b/tools/recipe-extract.c
index c5f5ee5..b7d94e6 100644
--- a/tools/recipe-extract.c
+++ b/tools/recipe-extract.c
@@ -87,6 +87,11 @@ main (int argc, char *argv[])
                 "Name",
                 "Description",
                 "Instructions",
+                "Notes",
+                NULL,
+        };
+        const char *optional_keys[] = {
+                "Notes",
                 NULL,
         };
         const char *chef_keys[] = {
@@ -161,7 +166,8 @@ main (int argc, char *argv[])
                                 g_autofree char *s = NULL;
                                 s = g_key_file_get_string (keyfile, groups[i], keys[j], &error);
                                 if (!s) {
-                                        g_printerr ("Failed to get key '%s' for group '%s': %s\n", keys[j], 
groups[i], error->message);
+                                        if (!g_strv_contains (optional_keys, keys[j]))
+                                                g_printerr ("Failed to get key '%s' for group '%s': %s\n", 
keys[j], groups[i], error->message);
                                         g_clear_error (&error);
                                         continue;
                                 }