[PATCH 023/153] fix typo in pex minimum_path
[PATCH 023/153] fix typo in pex minimum_path

RB_ID=154622
TBR=true
NO-QUEUE=true

(sapling split of 96c5893788c648345dcdc62ef7780ee0c2126d72)

(sapling split of 03053c29b13f98a486be118d66d3a9f991b05625)
jamesbroadhead/pex,snyaggarwal/pex,jamesbroadhead/pex,jsirois/pex,sixninetynine/pex,pombredanne/pex,snyaggarwal/pex,kwlzn/pex,jsirois/pex,pantsbuild/pex,mzdanieltest/pex,pombredanne/pex,URXtech/pex,kwlzn/pex,sixninetynine/pex,rouge8/pex,rouge8/pex,URXtech/pex,pantsbuild/pex,mzdanieltest/pex