Log Message:
* Fixes mismatch between the section and extension of skeyprune.
* skeyprune is perl script, need runtime dependency on perl5.
* Fixes mis-use of config.h (patch-a[d-i]), avoid to use a mixture of
  local hash function with system RMD header.
  Fixes build failure reported by PR 39872 and PR 39953.

Bump PKGREVISION.