libertas: convert GET_HW_SPEC to a direct command

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h
index 93ac46a..a87c217 100644
--- a/drivers/net/wireless/libertas/hostcmd.h
+++ b/drivers/net/wireless/libertas/hostcmd.h
@@ -119,6 +119,8 @@
  * This structure defines the response for the GET_HW_SPEC command
  */
 struct cmd_ds_get_hw_spec {
+	struct cmd_header hdr;
+
 	/* HW Interface version number */
 	__le16 hwifversion;
 	/* HW version number */
@@ -637,7 +639,6 @@
 
 	/* command Body */
 	union {
-		struct cmd_ds_get_hw_spec hwspec;
 		struct cmd_ds_802_11_ps_mode psmode;
 		struct cmd_ds_802_11_scan scan;
 		struct cmd_ds_802_11_scan_rsp scanresp;