Fix Windows Ace path issue
Fix Windows Ace path issue

Ace doesn't like Windows style filepath separators.

Fixes #1178

tjyang/hugo,ifraixedes/hugo,soundrussian/hugo,fedelibre/hugo,gohugoio/hugo,melo/hugo,mayah/hugo,tubo028/hugo,mdhender/hugo,mitchchn/hugo,ffrizzo/hugo,badoet/hugo,badoet/hugo,bramp/hugo,digitalcraftsman/hugo,ryanclarke/hugo,mdhender/hugo,tischda/hugo,anthonyfok/hugo,ryanclarke/hugo,tischda/hugo,derekperkins/hugo,digitalcraftsman/hugo,halostatue/hugo,abourget/hugo,Zenithar/hugo,bramp/hugo,MarkDBlackwell/hugo,fhergomez/hugo,jygastaud/hugo,ffrizzo/hugo,mdhender/hugo,MarkDBlackwell/hugo,tatsushid/hugo,anthonyfok/hugo,bogem/hugo,fedelibre/hugo,soundrussian/hugo,ifraixedes/hugo,kujohn/hugo,vbatoufflet/hugo,kujohn/hugo,melo/hugo,abourget/hugo,jygastaud/hugo,tubo028/hugo,derekperkins/hugo,coderzh/hugo,sprig/hugo,Zenithar/hugo,gohugoio/hugo,sprig/hugo,fedelibre/hugo,tjyang/hugo,tatsushid/hugo,vbatoufflet/hugo,mitchchn/hugo,fedelibre/hugo,fhergomez/hugo,halostatue/hugo,bogem/hugo,gohugoio/hugo,coderzh/hugo,mayah/hugo,mdhender/hugo,anthonyfok/hugo