Fixed bug in the number of dimensions of identity transform.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1606596 13f79535-47bb-0310-9956-ffa450edef68
Merged bug fix from JDK8 branch.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1606597 13f79535-47bb-0310-9956-ffa450edef68