[recipes] Move a function to utils

[Matthias Clasen <matthiasc src gnome org>]

commit d525db56d749403b8e47eeb2a9f182372e6d1526
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jan 18 07:13:59 2017 -0500

    Move a function to utils
    
    It will be used in more places soon.

 src/gr-app.c   |    6 ------
 src/gr-utils.c |    6 ++++++
 src/gr-utils.h |    2 ++
 3 files changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/src/gr-app.c b/src/gr-app.c
index 5108be9..0ec7e8d 100644
--- a/src/gr-app.c
+++ b/src/gr-app.c
@@ -220,12 +220,6 @@ add_built_logo (GtkAboutDialog *about)
         g_object_unref (copyright_label);
 }
 
-static gboolean
-in_flatpak_sandbox (void)
-{
-        return g_file_test ("/.flatpak-info", G_FILE_TEST_EXISTS);
-}
-
 static void
 get_flatpak_information (char **flatpak_version,
                          char **app_id,
diff --git a/src/gr-utils.c b/src/gr-utils.c
index 8051c19..f9a2560 100644
--- a/src/gr-utils.c
+++ b/src/gr-utils.c
@@ -426,3 +426,9 @@ format_date_time_difference (GDateTime *end,
         return _("some time ago");
 }
 
+gboolean
+in_flatpak_sandbox (void)
+{
+        return g_file_test ("/.flatpak-info", G_FILE_TEST_EXISTS);
+}
+
diff --git a/src/gr-utils.h b/src/gr-utils.h
index 4ae30b4..d43e8db 100644
--- a/src/gr-utils.h
+++ b/src/gr-utils.h
@@ -56,3 +56,5 @@ char *generate_id (const char *s, ...);
 void start_recording (void);
 void stop_recording (void);
 void record_step (const char *blurb);
+
+gboolean in_flatpak_sandbox (void);