Strangely named library files mean find_package OpenSSL doesn't work

[skeptopic]

I notices that because this builds OpenSSL with library names like:

crypto_1_1x

instead of crypto

it means if you build/install OpenSSL with this repo, it won't be findable via find_package(OpenSSL)

So I made a little flag in my fork to prevent that renaming. It's called OPENSSL_BUILD_WITH_INSTALL_NAMES

I'm sending a PR if you want to take it!

[skeptopic]

#15

[janbar]

Yep, the renaming is effective on Windows platform to be conform with Qt5 usage.