use unused variables

svn path=/trunk/externals/zexy/; revision=4815

1 files changed, 1 insertions, 0 deletions

diff --git a/src/lpt.c b/src/lpt.c
index 78be04e..4a57c3a 100644
--- a/src/lpt.c
+++ b/src/lpt.c
@@ -282,6 +282,7 @@ static void lpt_free(t_lpt *x)
 
 static void lpt_helper(t_lpt *x)
 {
+  ZEXY_USEVAR(x);
   post("\n%c lpt :: direct access to the parallel port", HEARTSYMBOL);
   post("<byte>\t: write byte to the parallel-port");
   post("\ncreation:\t\"lpt [<port>]\": connect to parallel port <port> (0..2)");