Fix two memory leaks in the interpreter
Fix two memory leaks in the interpreter

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