Util: add empty_any
Util: add empty_any

pevalme/augeas,lutter/augeas,pevalme/augeas,mlichvar/augeas,lutter/augeas,kunkku/augeas,mchf/augeas,ptoscano/augeas,lutter/augeas,manandbytes/augeas,ptoscano/augeas,kunkku/augeas,hercules-team/augeas,kunkku/augeas,manandbytes/augeas,mlichvar/augeas,mchf/augeas,ptoscano/augeas,pevalme/augeas,hercules-team/augeas,mlichvar/augeas