Add hint for osutil library
Add hint for osutil library

pombredanne/restic,bchapuis/restic,byo/restic,ckemper67/restic,stuertz/restic,ar-jan/restic,stuertz/restic,middelink/restic,fawick/restic,fawick/restic,klauspost/restic,jayme-github/restic,ar-jan/restic,jayme-github/restic,byo/restic,intfrr/restic,rakoo/restic,restic/restic,episource/restic,middelink/restic,arithmetric/restic,kurin/restic,kurin/restic,restic/restic,rakoo/restic,mappu/restic,howeyc/restic