fix reference to aai ip addr

Issue-ID: DCAEGEN2-772
Change-Id: I550e47921af176a0ad0e3d5669991d0ef28f04a2
Signed-off-by: Lusheng Ji <lji@research.att.com>
diff --git a/heat/register.sh b/heat/register.sh
index c40a948..8acf881 100755
--- a/heat/register.sh
+++ b/heat/register.sh
@@ -531,7 +531,7 @@
   "aai.aaiClientConfiguration.aaiBasePath": "/aai/v12",
   "dmaap.dmaapConsumerConfiguration.timeoutMs": -1,
   "dmaap.dmaapProducerConfiguration.dmaapPortNumber": 3904,
-  "aai.aaiClientConfiguration.aaiHost": "{{ aai_ip_addr }}",
+  "aai.aaiClientConfiguration.aaiHost": "{{ aai1_ip_addr }}",
   "dmaap.dmaapConsumerConfiguration.dmaapUserPassword": "admin",
   "dmaap.dmaapProducerConfiguration.dmaapProtocol": "http",
   "aai.aaiClientConfiguration.aaiIgnoreSslCertificateErrors": true,