Comment 1 for bug 92189

Now that dash is used for /bin/sh all my #!/bin/sh shell scripts are
breaking system-wide due to the failure of dash to properly expand $((x))
the same as $(($x)) as POSIX requires. I have a massive edit job to do
to change them all to work around this dash bug. Please do consider
this an important fix (or revert Ubuntu to using bash for /bin/sh for
a while longer until you do have time to fix dash).