At least on lucid, byacc doesn't declare yyparse, which creates
problems because lucid treats calls to unprototyped functions as
errors.

https://github.com/krb5/krb5/commit/c8a7aa8a4138e517c5b8b9528049b37e7591da50
Commit By: hartmans
Revision: 24526
Changed Files:
U   trunk/src/kadmin/cli/getdate.y