spark git commit: [SPARK-18132] Fix checkstyle

Repository: spark Updated Branches: refs/heads/branch-2.0 dcf2f090c -> 1a4be51d6 [SPARK-18132] Fix checkstyle This PR fixes checkstyle. Author: Yin Huai Closes #15656 from yhuai/fix-format. (cherry picked from commit d3b4831d009905185ad74096ce3ecfa934bc191d)

spark git commit: [SPARK-18132] Fix checkstyle

Repository: spark Updated Branches: refs/heads/master dd4f088c1 -> d3b4831d0 [SPARK-18132] Fix checkstyle This PR fixes checkstyle. Author: Yin Huai Closes #15656 from yhuai/fix-format. Project: http://git-wip-us.apache.org/repos/asf/spark/repo Commit: