core: Fix a bug with loading libcrypto

[aviv57]

Looks like the fix in #301 was not working.

I got the following error while trying to run from bitcoin.rpc import Proxy on my machine

File ~\OneDrive\Documents\GitHub\python-bitcoinlib\bitcoin\rpc.py:38
36 from bitcoin.core import COIN, x, lx, b2lx, CBlock, CBlockHeader, CTransaction, COutPoint, CTxOut
37 from bitcoin.core.script import CScript
---> 38 from bitcoin.wallet import CBitcoinAddress, CBitcoinSecret
40 DEFAULT_USER_AGENT = "AuthServiceProxy/0.1"
42 DEFAULT_HTTP_TIMEOUT = 30
File ~\OneDrive\Documents\GitHub\python-bitcoinlib\bitcoin\wallet.py:23
21 import bitcoin.bech32
22 import bitcoin.core
---> 23 import bitcoin.core.key
24 import bitcoin.core.script as script
27 class CBitcoinAddress(object):
File ~\OneDrive\Documents\GitHub\python-bitcoinlib\bitcoin\core\key.py:27
23 import bitcoin.signature
25 import bitcoin.core.script
---> 27 _ssl = ctypes.cdll.LoadLibrary(
28 ctypes.util.find_library('ssl.35') or ctypes.util.find_library('ssl') or ctypes.util.find_library('libeay32')
29 or ctypes.cdll.LoadLibrary("libcrypto")
30 )
32 _libsecp256k1_path = ctypes.util.find_library('secp256k1')
33 _libsecp256k1_enable_signing = False
File ~\.pyenv\pyenv-win\versions\3.12.7\Lib\ctypes\__init__.py:460, in LibraryLoader.LoadLibrary(self, name)
459 def LoadLibrary(self, name):
--> 460 return self._dlltype(name)
File ~\.pyenv\pyenv-win\versions\3.12.7\Lib\ctypes\__init__.py:348, in CDLL.__init__(self, name, mode, handle, use_errno, use_last_error, winmode)
343 def __init__(self, name, mode=DEFAULT_MODE, handle=None,
344 use_errno=False,
345 use_last_error=False,
346 winmode=None):
347 if name:
--> 348 name = _os.fspath(name)
349 self._name = name
350 flags = self._func_flags_
TypeError: expected str, bytes or os.PathLike object, not CDLL