LUCENE-7002: Fixed MultiCollector to not throw a NPE if setScorer is called after one of the sub collectors is done collecting.

Conflicts:
	lucene/CHANGES.txt
3 files changed
tree: 4ed9de4978617e5d5864c8e794a3637807e760b3
  1. dev-tools/
  2. lucene/
  3. solr/
  4. .gitignore
  5. .hgignore
  6. build.xml
  7. README.txt