Fix warning in manifest
diff --git a/org.eclipse.help.base/META-INF/MANIFEST.MF b/org.eclipse.help.base/META-INF/MANIFEST.MF
index 490b8fc..848e2a9 100644
--- a/org.eclipse.help.base/META-INF/MANIFEST.MF
+++ b/org.eclipse.help.base/META-INF/MANIFEST.MF
@@ -32,3 +32,5 @@
 Import-Package: com.ibm.icu.text,
  org.eclipse.equinox.http.jetty;resolution:=optional
 Bundle-RequiredExecutionEnvironment: J2SE-1.4
+Bundle-ClassPath: .,
+ ant_tasks/helpbase-ant.jar