[devhelp] Fix a translator comment

[Piotr Drąg <piotrdrag src gnome org>]

commit 4730bdf9617e68fb0fe6521ea786dbbbdc4d084f
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Jul 3 23:40:10 2017 +0200

    Fix a translator comment
    
    They need to be exactly one line above a string to show up in .po files.

 src/dh-app.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/dh-app.c b/src/dh-app.c
index bdef401..760f8f7 100644
--- a/src/dh-app.c
+++ b/src/dh-app.c
@@ -226,9 +226,9 @@ about_cb (GSimpleAction *action,
 
         parent = dh_app_peek_first_window (app);
 
-        /* i18n: Please don't translate "Devhelp" (it's marked as translatable
-         * for transliteration only) */
         gtk_show_about_dialog (parent,
+                               /* i18n: Please don't translate "Devhelp" (it's marked as translatable
+                                * for transliteration only) */
                                "name", _("Devhelp"),
                                "version", PACKAGE_VERSION,
                                "comments", _("A developers’ help browser for GNOME"),