[devhelp] Remove the second semi-colon in dh-settings.h

[Sébastien Wilmet <swilmet src gnome org>]

commit 47303ea23c686ba2976984573fd530623b30748e
Author: Corentin Noël <corentin elementary io>
Date:   Mon Oct 31 20:20:02 2016 +0100

    Remove the second semi-colon in dh-settings.h
    
    https://bugzilla.gnome.org/show_bug.cgi?id=770785

 src/dh-settings.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/dh-settings.h b/src/dh-settings.h
index bf8e8df..a8fa33d 100644
--- a/src/dh-settings.h
+++ b/src/dh-settings.h
@@ -56,7 +56,7 @@ struct _DhSettingsClass{
                                const gchar *font_name_variable);
 } ;
 
-GType dh_settings_get_type (void) G_GNUC_CONST;;
+GType dh_settings_get_type (void) G_GNUC_CONST;
 
 DhSettings * dh_settings_get (void);