[SCSI] ibmvfc: Quiet gcc warning in ibmvfc_reset_device

Stops gcc from complaining about a possible uninitialized
variable being used in ibmvfc_reset_device.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 8446845..9fead7f 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -1631,7 +1631,7 @@
 	struct ibmvfc_host *vhost = shost_priv(sdev->host);
 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
 	struct ibmvfc_cmd *tmf;
-	struct ibmvfc_event *evt;
+	struct ibmvfc_event *evt = NULL;
 	union ibmvfc_iu rsp_iu;
 	struct ibmvfc_fcp_rsp *fc_rsp = &rsp_iu.cmd.rsp;
 	int rsp_rc = -EBUSY;