Fix display of custom dir path separator on linux
Fix display of custom dir path separator on linux

natemccurdy/powerlevel9k,rjorgenson/powerlevel9k,bhilburn/powerlevel9k,dritter/powerlevel9k,rjorgenson/powerlevel9k,shibumi/powerlevel9k,bhilburn/powerlevel9k,shibumi/powerlevel9k,dritter/powerlevel9k,natemccurdy/powerlevel9k