staging:rtl8192u: Rename RxTimeoutIndicateSeq _Style

Rename member variable RxTimeoutIndicateSeq to rx_timeout_indicate_seq.
This change clears the checkpatch issue with CamelCase naming.

The resulting changes are purely coding style in nature and should have
no impact on runtime code execution.

Signed-off-by: John Whitmore <johnfwhitmore@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>