SLING-7087 : Add extender provide capability

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1806139 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 220b081..52f00a8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,6 +59,9 @@
                         <Bundle-Activator>
                             org.apache.sling.bundleresource.impl.Activator
                         </Bundle-Activator>
+                        <Provide-Capability>
+                            osgi.extender;osgi.extender="org.apache.sling.bundleresource";version:Version="1.0"
+                        </Provide-Capability>
                     </instructions>
                 </configuration>
             </plugin>