textproc/augeas: add patch from upstream to fix bug

PR:		193348
Submitted by:	tdb
Obtained from:	https://github.com/hercules-team/augeas/commit/cf3de24554112f3d47e26515954769e23d6adf45


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@368000 35697150-7ecd-e111-bb59-0022644237b5