Fixed a problem when a module has 2 or more artifacts with the same name, but with different extensions.
Fixed a problem when a module has 2 or more artifacts with the same name, but with different extensions.

git-svn-id: 29f0868cb983d9404d09bb30d964f948aae571fc@484368 13f79535-47bb-0310-9956-ffa450edef68

apache/ant-ivy,twogee/ant-ivy,twogee/ant-ivy,jaikiran/ant-ivy,apache/ant-ivy,thelateperseus/ant-ivy,sbt/ivy,twogee/ant-ivy,thelateperseus/ant-ivy,apache/ant-ivy,twogee/ant-ivy,sbt/ivy,apache/ant-ivy,jaikiran/ant-ivy,jaikiran/ant-ivy,jaikiran/ant-ivy