Fix packaging ref.

git-svn-id: https://svn.apache.org/repos/asf/oodt/tags/0.7@1624950 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/mvn/archetypes/opsui/pom.xml b/mvn/archetypes/opsui/pom.xml
index b95bee1..6a7edf1 100644
--- a/mvn/archetypes/opsui/pom.xml
+++ b/mvn/archetypes/opsui/pom.xml
@@ -17,10 +17,13 @@
 -->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
-
-  <groupId>org.apache.oodt</groupId>
+  <parent>
+    <groupId>org.apache.oodt</groupId>
+    <artifactId>oodt-core</artifactId>
+    <version>0.7</version>
+    <relativePath>../../../core</relativePath>
+  </parent>
   <artifactId>opsui-archetype</artifactId>
-  <version>0.7</version>
   <packaging>maven-archetype</packaging>
 
   <name>OODT :: Archetypes :: OpsUI</name>