Merge pull request #1151 from Fryguy/fix_mac_compat

Make the sed line Mac compatible

(cherry picked from commit 794a248)

manageiq-operator/Makefile

@@ -89,7 +89,7 @@ help: ## Display this help.
 .PHONY: manifests
 manifests: controller-gen ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefinition objects.
 	$(CONTROLLER_GEN) rbac:roleName=manageiq-operator crd webhook paths="./..." output:crd:artifacts:config=config/crd/bases
-	sed "/creationTimestamp\|namespace/d" config/rbac/role.yaml > config/rbac/role.yaml.new && mv config/rbac/role.yaml{.new,}
+	sed -E "/creationTimestamp|namespace/d" config/rbac/role.yaml > config/rbac/role.yaml.new && mv config/rbac/role.yaml{.new,}
 
 .PHONY: generate
 generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.