Fix OrcTargetPowerPCFlags enum typedef

4 jobs for fix_build_macos in 6 minutes and 13 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #589142
debian sid

00:01:45

passed #589145
docker windows 1607
msys2

00:01:39

passed #589143
docker windows 1607
vs2017 amd64

00:02:50

passed #589144
docker windows 1607
vs2017 x86

00:01:59