Staging: hv: typdef fixes for HvSynicApi.h

Still some volatile mis-usages left to fix.

Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/hv/Connection.c b/drivers/staging/hv/Connection.c
index 9083f33..5cdfbc9 100644
--- a/drivers/staging/hv/Connection.c
+++ b/drivers/staging/hv/Connection.c
@@ -390,7 +390,7 @@
 int VmbusPostMessage(void *buffer, size_t bufferLen)
 {
 	int ret=0;
-	HV_CONNECTION_ID connId;
+	union hv_connection_id connId;
 
 
 	connId.Asu32 =0;