Added terminal unlocking at cancel

source/ubl-settings-video-driver.c

@@ -75,6 +75,7 @@ void on_terminal_done(GtkWidget *,  int , main_window *widgets){
     char *command = yon_char_new(" ");
     command[0]=cancel_signal;
     char *tmp = yon_char_unite(command,"\n",NULL);
+    on_pacman_db_unlock();
     free(command);
     vte_terminal_feed_child(VTE_TERMINAL(widgets->InstallTerminal),tmp,strlen(tmp));
     free(tmp);