Fix misspelling of DomainName

The interface object had 2 DomainName properties ("DomainName"
and "domainName")

Tested: Verified the interface object now only has 1 DomainName
properties.

Change-Id: Ic14f8e441cde8b83427b8f32f73a8bbb7efc48cc
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/app/common/services/api-utils.js b/app/common/services/api-utils.js
index 56c6f6b..12377c5 100644
--- a/app/common/services/api-utils.js
+++ b/app/common/services/api-utils.js
@@ -102,7 +102,7 @@
                             data.interface_ids.push(interfaceId);
                             data.interfaces[interfaceId] = {
                               interfaceIname: '',
-                              domainName:'',
+                              DomainName:'',
                               MACAddress:'',
                               Nameservers: [],
                               DHCPEnabled: 0,