Must explicitly state all dependencies in manifest.mf files even if PDE doesn't care

Tycho builds broken due to missing dependency not declared in manifest.mt:

/mnt/hudson_workspace/workspace/jbosstools-3.2.0.M1.continuous/sources/common/plugins/org.jboss.tools.common.model/src/org/jboss/tools/common/model/project/ProjectHome.java (at line 111):[-1,-1]
if (ModuleCoreNature.isFlexibleProject(project)) {
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The type org.eclipse.wst.common.internal.emfworkbench.integration.EditModelNature cannot be resolved. It is indirectly referenced from required .class files

http://hudson.qa.jboss.com/hudson/job/jbosstools-3.2.0.M1.continuous/91/consoleFull