[goffice] Compilation: eliminate some wrong and potentially harmful G_GNUC_CONST

[Morten Welinder <mortenw src gnome org>]

commit d5b68e2c3004427d211c5384278a530964c581e2
Author: Morten Welinder <terra gnome org>
Date:   Thu Sep 17 17:34:03 2015 -0400

    Compilation: eliminate some wrong and potentially harmful G_GNUC_CONST
    
    Copy-and-paste of ancient code has propagated these.

 goffice/canvas/goc-widget.c      |    2 +-
 goffice/graph/gog-child-button.h |    2 +-
 goffice/gtk/go-optionmenu.h      |    2 +-
 goffice/gtk/go-palette.h         |    2 +-
 goffice/gtk/go-selector.h        |    2 +-
 goffice/utils/go-geometry.h      |    2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/goffice/canvas/goc-widget.c b/goffice/canvas/goc-widget.c
index e7b3b7d..9edb865 100644
--- a/goffice/canvas/goc-widget.c
+++ b/goffice/canvas/goc-widget.c
@@ -56,7 +56,7 @@ struct _GocOffscreenBoxClass
        GtkBinClass parent_class;
 };
 
-GType     goc_offscreen_box_get_type  (void) G_GNUC_CONST;
+static GType      goc_offscreen_box_get_type  (void);
 
 static void
 to_child (GocOffscreenBox *offscreen_box,
diff --git a/goffice/graph/gog-child-button.h b/goffice/graph/gog-child-button.h
index 8a61d5e..6baa53e 100644
--- a/goffice/graph/gog-child-button.h
+++ b/goffice/graph/gog-child-button.h
@@ -37,7 +37,7 @@ typedef struct _GogChildButtonClass           GogChildButtonClass;
 #define GOG_IS_CHILD_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GOG_TYPE_CHILD_BUTTON))
 #define GOG_CHILD_BUTTON_GET_CLASS(obj)         (G_TYPE_INSTANCE_GET_CLASS ((obj), GOG_TYPE_CHILD_BUTTON, 
GogChildButtonClass))
 
-GType           gog_child_button_get_type      (void) G_GNUC_CONST;
+GType           gog_child_button_get_type      (void);
 
 GtkWidget      *gog_child_button_new           (void);
 void            gog_child_button_set_object    (GogChildButton *child_button, GogObject *gog_object);
diff --git a/goffice/gtk/go-optionmenu.h b/goffice/gtk/go-optionmenu.h
index e068e1f..8046a7c 100644
--- a/goffice/gtk/go-optionmenu.h
+++ b/goffice/gtk/go-optionmenu.h
@@ -73,7 +73,7 @@ struct _GOOptionMenuClass
 };
 
 
-GType      go_option_menu_get_type    (void) G_GNUC_CONST;
+GType      go_option_menu_get_type    (void);
 
 GtkWidget *go_option_menu_new         (void);
 GtkWidget *go_option_menu_build       (const char *first_entry, ...);
diff --git a/goffice/gtk/go-palette.h b/goffice/gtk/go-palette.h
index b0de890..68195a8 100644
--- a/goffice/gtk/go-palette.h
+++ b/goffice/gtk/go-palette.h
@@ -62,7 +62,7 @@ struct _GOPaletteClass
        void (*custom_activate)         (GtkWidget *palette);
 };
 
-GType            go_palette_get_type           (void) G_GNUC_CONST;
+GType            go_palette_get_type           (void);
 GtkWidget      *go_palette_new                 (int n_swatches,
                                                 double swatch_width,
                                                 int n_columns,
diff --git a/goffice/gtk/go-selector.h b/goffice/gtk/go-selector.h
index 7310aaa..cfa43db 100644
--- a/goffice/gtk/go-selector.h
+++ b/goffice/gtk/go-selector.h
@@ -52,7 +52,7 @@ struct _GOSelectorClass
        void (*activate)                (GtkWidget *selector);
 };
 
-GType           go_selector_get_type (void) G_GNUC_CONST;
+GType           go_selector_get_type (void);
 
 GtkWidget      *go_selector_new                (GOPalette *palette);
 
diff --git a/goffice/utils/go-geometry.h b/goffice/utils/go-geometry.h
index db1e95a..13a164e 100644
--- a/goffice/utils/go-geometry.h
+++ b/goffice/utils/go-geometry.h
@@ -109,7 +109,7 @@ GOGeometrySide              go_geometry_calc_label_position (GOGeometryOBR *obr, double 
alph
                                                         GOGeometrySide side, GOGeometrySide anchor);
 
 #define  GO_TYPE_DIRECTION (go_direction_get_type())
-GType    go_direction_get_type     (void) G_GNUC_CONST;
+GType    go_direction_get_type     (void);
 gboolean go_direction_is_horizontal (GODirection d);
 gboolean go_direction_is_forward    (GODirection d);
 char const *go_direction_get_name   (GODirection d);