add definition for extension.depend.dir
add definition for extension.depend.dir


Former-commit-id: 288f3a4221694482f599f7fffc3ac9229612b9b0
bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs,bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs,bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs