net/bluetooth/hci_conn.c: gcc 4.8.x fixup

Signed-off-by: Paul Reioux <reioux@gmail.com>
block/bfq-iosched.c: GCC 4.8.x compatibility fixup

Signed-off-by: Paul Reioux <reioux@gmail.com>
change to christopers 4.8 Linaro Toolchain

Signed-off-by: Willi Ye <williye97@gmail.com>