Fixes coccicheck warning:

fs/9p/vfs_inode.c:146:3-4: Unneeded semicolon

Link: http://lkml.kernel.org/r/1576752517-58292-1-git-send-email-zhengbin13@huawei.comReported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>