[recipes] Fix a crash

[Matthias Clasen <matthiasc src gnome org>]

commit 53e8691c9f73d53074b6491385325fd2ae699e2e
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Feb 16 18:46:59 2017 -0500

    Fix a crash
    
    format_date_time_difference needs to always return a newly
    allocated string.

 src/gr-utils.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gr-utils.c b/src/gr-utils.c
index 30038bb..ef65bd4 100644
--- a/src/gr-utils.c
+++ b/src/gr-utils.c
@@ -449,7 +449,7 @@ format_date_time_difference (GDateTime *end,
                 }
         }
 
-        return _("some time ago");
+        return g_strdup (_("some time ago"));
 }
 
 gboolean