Store system errors
Store system errors

When encountering system errors while reading or writing a file, extract
the full error message corresponding to errno and store it in error/message

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