[gimp/gimp-2-10] app: small code cleaning.

[Jehan <jehanp src gnome org>]

commit c05bd7b6c9f2b38ea1e42056d949b427cbf39ea6
Author: Jehan <jehan girinstud io>
Date:   Thu Aug 9 11:18:49 2018 +0200

    app: small code cleaning.
    
    Removing unused declaration of icons_set_icon_theme().
    And reorder a bit the declarations to match the definition order.
    
    (cherry picked from commit ae19441ddc1e9327a2920c19ef3f8943e2b14046)

 app/gui/icon-themes.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/app/gui/icon-themes.c b/app/gui/icon-themes.c
index 0b5b120b5d..27c39ebc30 100644
--- a/app/gui/icon-themes.c
+++ b/app/gui/icon-themes.c
@@ -40,6 +40,8 @@
 #include "gimp-intl.h"
 
 
+static void   icons_apply_theme         (Gimp          *gimp,
+                                         const gchar   *icon_theme_name);
 static void   icons_list_icons_foreach  (gpointer       key,
                                          gpointer       value,
                                          gpointer       data);
@@ -48,9 +50,6 @@ static gint   icons_name_compare        (const void    *p1,
 static void   icons_theme_change_notify (GimpGuiConfig *config,
                                          GParamSpec    *pspec,
                                          Gimp          *gimp);
-void          icons_set_icon_theme      (GtkIconTheme  *new_icon_theme);
-static void   icons_apply_theme         (Gimp          *gimp,
-                                         const gchar   *icon_theme_name);
 
 
 static GHashTable *icon_themes_hash = NULL;