Fix heat service names in Nginx

heat_cloudwatch heat_cfn are mixed up in nginx config.

Change-Id: Icae871ff2c192011eeac30e32a540f821ade4c05
diff --git a/nginx/server/proxy/openstack_api.yml b/nginx/server/proxy/openstack_api.yml
index 2b84993..4b0b3f4 100644
--- a/nginx/server/proxy/openstack_api.yml
+++ b/nginx/server/proxy/openstack_api.yml
@@ -88,7 +88,7 @@
         nginx_proxy_openstack_api_heat_cloudwatch:
           enabled: true
           type: nginx_proxy
-          name: openstack_api_heat_cfn
+          name: openstack_api_heat_cloudwatch
           proxy:
             host: ${_param:heat_service_host}
             port: 8003
@@ -100,7 +100,7 @@
         nginx_proxy_openstack_api_heat_cfn:
           enabled: true
           type: nginx_proxy
-          name: openstack_api_heat_cloudwatch
+          name: openstack_api_heat_cfn
           proxy:
             host: ${_param:heat_service_host}
             port: 8000