Fix for hangs on FreeBSD 10.1+ due to WCHAR_T missing as an alias for UCS-4-INTERNAL. [1] https://github.com/fish-shell/fish-shell/issues/1741 PR: 196661 Submitted by: David Adam <zanchey ucc.gu.uwa.edu.au> Approved by: maintainer <freebsd.users gmail com>