Declare global variables, as per post-submission message from CRAN.  Minor
administrative change to satisfy the check procedure.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/divemove@605 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
ChangeLog.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/divemove@606 edb9625f-4e0d-4859-8d74-9fd3b1da38cb