Index: xfce4-cpufreq-plugin-1.1.0/panel-plugin/xfce4-cpufreq-plugin.c
===================================================================
--- xfce4-cpufreq-plugin-1.1.0.orig/panel-plugin/xfce4-cpufreq-plugin.c
+++ xfce4-cpufreq-plugin-1.1.0/panel-plugin/xfce4-cpufreq-plugin.c
@@ -558,6 +558,7 @@ cpufreq_set_size (XfcePanelPlugin *plugi
 	return TRUE;
 }
 
+static void
 cpufreq_show_about(XfcePanelPlugin *plugin,
 				   CpuFreqPlugin *cpufreq)
 {