Fix loading openssl 1.1.1h

[longhoangwkm]

support loading libssl.1.1.dylib

/usr/local/opt/openssl@1.1/lib
➜  lib ll
total 15144
drwxr-xr-x  4 tobi  staff   128B Sep 22 19:55 engines-1.1
-r--r--r--  1 tobi  staff   2.3M Nov 30 12:09 libcrypto.1.1.dylib
-r--r--r--  1 tobi  staff   3.9M Sep 22 19:55 libcrypto.a
lrwxr-xr-x  1 tobi  staff    19B Sep 22 19:55 libcrypto.dylib -> libcrypto.1.1.dylib
-r--r--r--  1 tobi  staff   491K Nov 30 12:09 libssl.1.1.dylib
-r--r--r--  1 tobi  staff   707K Sep 22 19:55 libssl.a
lrwxr-xr-x  1 tobi  staff    16B Sep 22 19:55 libssl.dylib -> libssl.1.1.dylib
drwxr-xr-x  5 tobi  staff   160B Nov 30 12:09 pkgconfig

1.1.1h only have libssl.1.1.dylib not libssl.so.1.1.dylib (correct if i'm wrong)

[yegor256]

@lian please, merge this one and release a new version. Without this, the library can't be used on macOS with Homebrew.