Errata patches for FreeType library have been released for OpenBSD
7.7 and 7.8.  The calendar binary was missing in a previous syspatch.

Binary updates for the amd64, arm64 and i386 platform are available
via the syspatch utility.  Source code patches can be found on the
respective errata page:

  https://www.openbsd.org/errata77.html
  https://www.openbsd.org/errata78.html