Index: mcs-plugin/xfwm4_plugin.c
===================================================================
--- mcs-plugin/xfwm4_plugin.c	(revision 21895)
+++ mcs-plugin/xfwm4_plugin.c	(working copy)
@@ -64,7 +64,7 @@
     gchar *stock_icon;
 };
 
-static TitleButton title_button[] = {
+static const TitleButton title_button[] = {
     {"O", N_("Menu"), "gtk-index"},
     {"T", N_("Stick"), "gtk-add"},
     {"S", N_("Shade"), "gtk-goto-top"},
@@ -74,7 +74,7 @@
 };
 
 
-MenuTmpl dbl_click_values[] = {
+const MenuTmpl dbl_click_values[] = {
     {N_("Shade window"), "shade"},
     {N_("Hide window"), "hide"},
     {N_("Maximize window"), "maximize"},
@@ -82,7 +82,7 @@
     {NULL, NULL}
 };
 
-MenuTmpl title_align_values[] = {
+const MenuTmpl title_align_values[] = {
     {N_("Left"), "left"},
     {N_("Center"), "center"},
     {N_("Right"), "right"},