Tweak for macOS users

Installing Crypt::SSLeay

When trying to install Crypt::SSLeay if you are seeing this error

    openssl-version.c:2:10: fatal error: 'openssl/opensslv.h' file not found
    #include <openssl/opensslv.h>

To install Crypt::SSLeay on macOS

     brew upgrade openssl
     perl Makefile.PL --libpath=/usr/local/opt/openssl/lib --incpath=/usr/local/opt/openssl/include