sensorhandler: remove unused variable

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/sensorhandler.C b/sensorhandler.C
index cd57dd4..dd83152 100644
--- a/sensorhandler.C
+++ b/sensorhandler.C
@@ -145,9 +145,6 @@
 {
     sensor_data_t *reqptr = (sensor_data_t*)request;
     ipmi_ret_t rc = IPMI_CC_OK;
-    unsigned short rlen;
-
-    rlen = (unsigned short) *data_len;
 
     printf("IPMI SET_SENSOR [0x%02x]\n",reqptr->sennum);