More build fixes for Maven 3.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@944774 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/karaf/shell/obr/pom.xml b/karaf/shell/obr/pom.xml
index 31efe69..c0df42a 100644
--- a/karaf/shell/obr/pom.xml
+++ b/karaf/shell/obr/pom.xml
@@ -65,7 +65,7 @@
                 <artifactId>maven-bundle-plugin</artifactId>
                 <configuration>
                     <instructions>
-                        <Bundle-SymbolicName>${artifactId}</Bundle-SymbolicName>
+                        <Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
                         <Export-Package>
                             ${project.artifactId}*;version=${project.version}
                         </Export-Package>