* src/augeas.c (aug_defvar): use constants to create /augeas/variables
* src/augeas.c (aug_defvar): use constants to create /augeas/variables

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