Added pacman db unlock button

source/ubl-settings-kernel.h

@@ -315,4 +315,6 @@ void on_basic_toggled(GtkSwitch *self,int state, install_window *window);
 info_window *yon_info_window_new();
 install_window *yon_install_window_new();
 
-void on_terminal_cancel(GtkWidget *,main_window *widgets);
+void on_terminal_cancel(GtkWidget *,main_window *widgets);
+
+void on_pacman_db_unlock(void);