void(*)() fails callback check; use void(*)(void)

Author: dterrahe

src/gui/about.c

@@ -22,7 +22,7 @@
 #include "osx/osx.h"
 #endif
 
-void darktable_show_about_dialog()
+void darktable_show_about_dialog(void)
 {
   GtkWidget *dialog = gtk_about_dialog_new();
   gtk_widget_set_name (dialog, "about-dialog");

src/gui/about.h

@@ -16,4 +16,4 @@
     along with darktable.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-void darktable_show_about_dialog();
+void darktable_show_about_dialog(void);

src/gui/preferences.c

@@ -567,7 +567,7 @@ static void init_tab_general(GtkWidget *dialog,
 ///////////// end of gui and theme language selection
 
 
-void dt_gui_preferences_show()
+void dt_gui_preferences_show(void)
 {
   GtkWindow *win = GTK_WINDOW(dt_ui_main_window(darktable.gui->ui));
   _preferences_dialog =

src/gui/preferences.h

@@ -19,7 +19,7 @@
 #pragma once
 
 /** shows the preferences dialog and blocks until it's closed. */
-void dt_gui_preferences_show();
+void dt_gui_preferences_show(void);
 
 // return the widget for a given preference key
 GtkWidget *dt_gui_preferences_bool(GtkGrid *grid, const char *key, const guint col,