fix BusyBox sed (#6340)
fix BusyBox sed (#6340)

BusyBox sed works the same way as GNU sed

Signed-off-by: tipok <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@tipok.pro>
helm/helm,michelleN/deployment-manager,adamreese/deployment-manager,bacongobbler/helm,adamreese/deployment-manager,helm/helm,adamreese/helm,michelleN/deployment-manager,adamreese/deployment-manager,michelleN/deployment-manager,michelleN/deployment-manager,adamreese/deployment-manager,adamreese/deployment-manager,adamreese/helm,bacongobbler/helm