Bug 402392: build fails during javadoc generation with most recent Orbit repo

Avoids empty ${basedir}/${replaceFile}, which made the <replace> task fail. Workaround for case where no "_" is present in any file/dir name.
3 files changed
tree: 0d1607b19dc2672027fb57213ddb2d40f67eb6f0
  1. bundles/
  2. .gitignore
  3. pom.xml