initscripts: correct checkroot rootfs read-write check

initscripts: correct checkroot rootfs read-write check

initscripts: correct checkroot rootfs read-write check

Fixes a regexp typo when checking whether the rootfs needs
to be remounted. Also alters the remount logic to not
assume that the root will be mounted RW.

Signed-off-by: Brian Bloniarz <phunge0@hotmail.com>
 recipes/initscripts/initscripts-1.0/checkroot |   18 +++++++++---------
 1 files changed, 9 insertions(+), 9 deletions(-)