SlingQuery should exporty only API

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk/contrib/extensions/sling-query@1663977 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index f57ab27..4cdc660 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,6 +49,11 @@
                 <groupId>org.apache.felix</groupId>
                 <artifactId>maven-bundle-plugin</artifactId>
                 <extensions>true</extensions>
+                <configuration>
+                    <instructions>
+                        <Export-Package>!*,org.apache.sling.query,org.apache.sling.query.api</Export-Package>
+                    </instructions>
+                </configuration>
             </plugin>
         </plugins>
     </build>