Staging: hv: osd.h: remove GUID typedef

GUID should not be a typedef.  As proof of the problem of typedefs,
look, we are passing 2 of these as a value in functions!  Bah...

Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index fc5b02d..4574f2b 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -156,7 +156,7 @@
 	}
 
 	drv_ctx->driver.name = storvsc_drv_obj->Base.name;
-	memcpy(&drv_ctx->class_id, &storvsc_drv_obj->Base.deviceType, sizeof(GUID));
+	memcpy(&drv_ctx->class_id, &storvsc_drv_obj->Base.deviceType, sizeof(struct hv_guid));
 
 	drv_ctx->probe = storvsc_probe;
 	drv_ctx->remove = storvsc_remove;