drivers/usb/gadget/f_qdss.c: gcc 4.8 fixup

Change-Id: I423388aa9d43911b8354f0878df598b17d88db68
Signed-off-by: Paul Reioux <reioux@gmail.com>
Flo: GCC 4.8 fixes

block/bfq-iosched.c: GCC 4.8.x compatibility fixup

Signed-off-by: Paul Reioux <reioux@gmail.com>

net/bluetooth/hci_conn.c: GCC 4.8.x fix up again

Signed-off-by: Paul Reioux <reioux@gmail.com>

Change-Id: I81f08a73a7bdad0e167675ec23d1961993152fb9