[gnumeric] Compilation: remove incorrect G_GNUC_CONST

[Morten Welinder <mortenw src gnome org>]

commit acc52100ad0ae98e7bc5d1d4b26a303f60f0336b
Author: Morten Welinder <terra gnome org>
Date:   Thu Sep 17 17:39:56 2015 -0400

    Compilation: remove incorrect G_GNUC_CONST

 src/widgets/gnm-fontbutton.h     |    2 +-
 src/widgets/gnumeric-lazy-list.h |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/widgets/gnm-fontbutton.h b/src/widgets/gnm-fontbutton.h
index e1288bd..9e3e1cf 100644
--- a/src/widgets/gnm-fontbutton.h
+++ b/src/widgets/gnm-fontbutton.h
@@ -65,7 +65,7 @@ struct _GnmFontButtonClass {
 };
 
 
-GType                 gnm_font_button_get_type       (void) G_GNUC_CONST;
+GType                 gnm_font_button_get_type       (void);
 GtkWidget            *gnm_font_button_new            (void);
 GtkWidget            *gnm_font_button_new_with_font  (const gchar   *fontname);
 
diff --git a/src/widgets/gnumeric-lazy-list.h b/src/widgets/gnumeric-lazy-list.h
index c1c2504..41fbade 100644
--- a/src/widgets/gnumeric-lazy-list.h
+++ b/src/widgets/gnumeric-lazy-list.h
@@ -66,7 +66,7 @@ struct _GnumericLazyListClass
 };
 
 
-GType             gnumeric_lazy_list_get_type (void) G_GNUC_CONST;
+GType             gnumeric_lazy_list_get_type (void);
 GnumericLazyList *gnumeric_lazy_list_new (GnumericLazyListValueGetFunc get_value,
                                          gpointer user_data,
                                          gint n_rows,