USB: struct usb_device: change flag to bitflag

This patch (as816) changes an existing flag in the usb_device
structure to a bitflag, preparing the way for more bitflags to come
in the future.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 7729c07..5684d87 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -764,7 +764,7 @@
 			err = -EINVAL;
 			goto errout;
 		} else {
-			dev->have_langid = -1;
+			dev->have_langid = 1;
 			dev->string_langid = tbuf[2] | (tbuf[3]<< 8);
 				/* always use the first langid listed */
 			dev_dbg (&dev->dev, "default language 0x%04x\n",