Fix panic for debug.Log() with empty string
Fix panic for debug.Log() with empty string

restic/restic,jayme-github/restic,arithmetric/restic,kurin/restic,byo/restic,kurin/restic,middelink/restic,byo/restic,fawick/restic,stuertz/restic,ckemper67/restic,jayme-github/restic,middelink/restic,stuertz/restic,fawick/restic,restic/restic,ar-jan/restic,ar-jan/restic