fs/ocfs2/ioctl.c: add static to local functions

ocfs_info_foo() and ocfs2_get_request_ptr functions are only used in ioctl.c

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>