[PATCH] USB: export usb_get_intf() and usb_put_intf()

Export usb_get_intf and usb_put_intf so that modules can increase
usb interface reference counts.

Signed-off-by: brian@murphy.dk
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/core/usb.c

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 7713a60..99c85d2 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -1532,6 +1532,9 @@
 EXPORT_SYMBOL(usb_deregister);
 EXPORT_SYMBOL(usb_disabled);
 
+EXPORT_SYMBOL_GPL(usb_get_intf);
+EXPORT_SYMBOL_GPL(usb_put_intf);
+
 EXPORT_SYMBOL(usb_alloc_dev);
 EXPORT_SYMBOL(usb_put_dev);
 EXPORT_SYMBOL(usb_get_dev);