Fix the most of the warnings.
Fix the most of the warnings.

* getdate.y: Make prototypes proper ANSI prototypes, and constify some
strings.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion