diff -up gnokii-0.6.31/xgnokii/xgnokii.c.inline gnokii-0.6.31/xgnokii/xgnokii.c
--- gnokii-0.6.31/xgnokii/xgnokii.c.inline	2011-12-02 15:53:04.000000000 +0100
+++ gnokii-0.6.31/xgnokii/xgnokii.c	2015-08-30 23:42:45.696853208 +0200
@@ -792,13 +792,13 @@ void GUI_ShowOptions(void)
 }
 
 
-inline void GUI_ShowAbout(void)
+void GUI_ShowAbout(void)
 {
 	gtk_window_present(GTK_WINDOW(AboutDialog));
 }
 
 
-inline void GUI_HideAbout(void)
+static void GUI_HideAbout(void)
 {
 	gtk_widget_hide(AboutDialog);
 }
diff -up gnokii-0.6.31/xgnokii/xgnokii_logos.c.inline gnokii-0.6.31/xgnokii/xgnokii_logos.c
--- gnokii-0.6.31/xgnokii/xgnokii_logos.c.inline	2011-12-02 15:53:04.000000000 +0100
+++ gnokii-0.6.31/xgnokii/xgnokii_logos.c	2015-08-30 23:45:36.483389848 +0200
@@ -1304,7 +1304,7 @@ gint LogoTypeEvent(GtkWidget * widget)
 	return 0;
 }
 
-inline void CloseLogosWindow(void)
+static void CloseLogosWindow(void)
 {
 	gtk_widget_hide(GUI_LogosWindow);
 }