Fix build for Maven 3

git-svn-id: https://svn.apache.org/repos/asf/servicemix/utils/trunk@1023087 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 3eb98a0..6b02742 100644
--- a/pom.xml
+++ b/pom.xml
@@ -227,7 +227,7 @@
                 <configuration>
                     <instructions>
                         <Bundle-Name>${project.name}</Bundle-Name>
-                        <Bundle-SymbolicName>${artifactId}</Bundle-SymbolicName>
+                        <Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
                         <Export-Package>
                             org.apache.servicemix*;-noimport:=true
                         </Export-Package>