[MPOM-92] Upgrade maven-clean-plugin to 2.6.1

git-svn-id: https://svn.apache.org/repos/asf/maven/pom/trunk@1711656 13f79535-47bb-0310-9956-ffa450edef68
1 file changed
tree: a2ba4859cd1e68d843ee9f55d4202b9ac9608aca
  1. asf/
  2. maven/