_lp_shorten_path: fix error when parsing folder with special characters
_lp_shorten_path: fix error when parsing folder with special characters

joshuarubin/dotfiles,milouse/liquidprompt,nojhan/liquidprompt,joshuarubin/dotfiles,tocomo/liquidprompt,jonathanjsimon/liquidprompt,BobHood/liquidprompt,dan-cleinmark/liquidprompt,dtschan/liquidprompt,elementalvoid/liquidprompt,tsbarnes/liquidprompt,jaesivsm/liquidprompt,joshuarubin/dotfiles,alexprengere/liquidprompt,smadhueagle/liquidprompt,dpilone/liquidprompt,laurentbardin/liquidprompt,pkkolos/liquidprompt,joshuarubin/dotfiles