Apache2 rev bump for OpenSSL update

[Ryan Schmidt]

On Mar 3, 2016, at 00:18, Juan Manuel Palacios <jmpp at macports.org> wrote:
> 
> Apache 2 rev-bumped, cf. r146274.
> 
> On a side note, and if I may in this same thread, do we have any policy for not moving the Apache 2.4 port out of “dev”?  Not too sure when it became the recommended release series by the ASF, but it certainly isn’t dev any longer.

There's a ticket you can read. We can't just replace the current apache2 port with the current apache24-devel port because it also changes the directory layout.