Added missing cast
Revert "Merge pull request #8 from metaborg/revert_pull_request_6"

This reverts commit 74cb0018ef0a97e9433bb320d878836f90152d3a, reversing
changes made to 5a8ee7c669556f5a776e96017c5d8967d86251fb.
Merge branch 'java-bootstrap' of github.com:thewilli/strategoxt into thewilli-java-bootstrap