Cleanup the returned FA in fa_intersect
Cleanup the returned FA in fa_intersect

manandbytes/augeas,kunkku/augeas,domcleal/augeas,bkearney/augeas,kunkku/augeas,hercules-team/augeas-do-not-use,jtopjian/augeas,dafugg/augeas,lutter/augeas,GeoffWilliams/augeas,bkearney/augeas,bkearney/augeas,jjlin/augeas,ptoscano/augeas,mlichvar/augeas,ptoscano/augeas,hercules-team/augeas,mchf/augeas,kumy/augeas,mlichvar/augeas,MikaelSmith/augeas,kumy/augeas,hercules-team/augeas,camptocamp/augeas,jasperla/augeas,raphink/augeas,kunkku/augeas,dafugg/augeas,raphink/augeas,dafugg/augeas,domcleal/augeas,camptocamp/augeas,jasperla/augeas,mlichvar/augeas,jtopjian/augeas,pevalme/augeas,mchf/augeas,pevalme/augeas,lutter/augeas,hercules-team/augeas-do-not-use,kumy/augeas,manandbytes/augeas,ptoscano/augeas,lutter/augeas,camptocamp/augeas,GeoffWilliams/augeas,kumy/augeas,camptocamp/augeas,jjlin/augeas,domcleal/augeas,hercules-team/augeas-do-not-use,jjlin/augeas,bkearney/augeas,pevalme/augeas,MikaelSmith/augeas