Fix gce-disk-expand postinst for el7 to use systemd macros. (#457)
Fix gce-disk-expand postinst for el7 to use systemd macros. (#457)


rjschwei/compute-image-packages,rjschwei/compute-image-packages,GoogleCloudPlatform/compute-image-packages,illfelder/compute-image-packages,wrigri/compute-image-packages,illfelder/compute-image-packages,wrigri/compute-image-packages,wrigri/compute-image-packages,zmarano/compute-image-packages,zmarano/compute-image-packages,wrigri/compute-image-packages