inotify/inotify03.c: cleanup a parameter-passing error

1. Revise code to follow ltp-code-style

2. Fix a bad parameter-passing which causes mount(2) "EINVAL"

Signed-off-by: DAN LI <li.dan@cn.fujitsu.com>
Reviewed-by: Cyril Hrubis <chrubis@suse.cz>