termcap.small: Don't use -o pipefail.

[jhb]

Summary

The command to generate termcap.small doesn't use any pipes, so this
option is not needed. Using it also breaks cross-building on hosts
where /bin/sh does not support pipefail such as Linux hosts where
/bin/sh is dash.

Sponsored by: DARPA

[sobomax]

Looks good.

[imp]

Looks good to me too.