* tests/cutest.c: fix indentation by removing tabs
* tests/cutest.c: fix indentation by removing tabs

This file used tabs for indentation which causes errors about misleading
indentation with GCC 6. Replacing tabs with spaces fixes that.

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