staging:rtl8188eu Fix remove semicolon in do {}while(0)

This patch removes the semicolon at the end of while statement in the
do while macro , inorder to avoid it behaving like compound statement.

Signed-off-by: Janani Sankara Babu <jananis37@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>