use --libdir to avoid <prefix>/<target>/lib64 confusion
package vmime: enable w64 builds
Patch OpenSSL POD docs for perl-5.16+

Stricter validation in recent Perl versions means the install
stage fails without these applied.

Should be harmless for earlier versions of perl.
Merge pull request #199 from tm604/openssl-pod-fixes

Patch OpenSSL POD docs for perl-5.16+
Merge pull request #197 from mabrand/fix64

fixes for w64
package vmime: disable experimental mlang detection
use --libdir to avoid <prefix>/<target>/lib64 confusion (more)

follow-up to commit 593ab5a7068d6142903ab839237100e92a5071f3