Fix calling conversions for windows x86

There was a bad assumption of calling conversions.
Bad usage for WINAPI where it was not applicable to functions.
This went mostly unnoticed due to only affecting windows x86.
Windows x64 does not suffer this issue.

Author: luigoalma

haccrypto/_crypto.cpp

@@ -28,7 +28,6 @@ typedef HMODULE DYHandle;
 #include <dlfcn.h>
 #define __ldl__ 1
 typedef void* DYHandle;
-#define WINAPI
 #endif
 
 typedef uint8_t u8;
@@ -251,15 +250,15 @@ class Buffer {
     }
 };
 
-void *(WINAPI *EVP_CIPHER_CTX_new)() = NULL;
-void *(WINAPI *EVP_aes_128_ecb)() = NULL;
-int (WINAPI *EVP_CipherInit_ex)(void*, void*, void*, const void*, void*, int) = NULL;
-int (WINAPI *EVP_CIPHER_CTX_key_length)(void*) = NULL;
-void (WINAPI *EVP_CIPHER_CTX_set_padding)(void*, int) = NULL;
-int (WINAPI *EVP_CipherUpdate)(void*, void*, int*, const void*, int) = NULL;
-int (WINAPI *EVP_CipherFinal_ex)(void*, void*, int*) = NULL;
-void (WINAPI *EVP_CIPHER_CTX_free)(void*) = NULL;
-unsigned long (WINAPI *OpenSSL_version_num)() = NULL;
+void *(*EVP_CIPHER_CTX_new)() = NULL;
+void *(*EVP_aes_128_ecb)() = NULL;
+int (*EVP_CipherInit_ex)(void*, void*, void*, const void*, void*, int) = NULL;
+int (*EVP_CIPHER_CTX_key_length)(void*) = NULL;
+void (*EVP_CIPHER_CTX_set_padding)(void*, int) = NULL;
+int (*EVP_CipherUpdate)(void*, void*, int*, const void*, int) = NULL;
+int (*EVP_CipherFinal_ex)(void*, void*, int*) = NULL;
+void (*EVP_CIPHER_CTX_free)(void*) = NULL;
+unsigned long (*OpenSSL_version_num)() = NULL;
 
 static DynamicHelper lcrypto;
 static bool lib_to_load = true;

setup.py

@@ -17,7 +17,7 @@
 
 setup(
     name='haccrypto',
-    version='0.1.0',
+    version='0.1.1',
     packages=find_packages(),
     url='https://github.com/luigoalma/haccrypto',
     license='MIT',
@@ -33,6 +33,7 @@
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
     ],
     ext_modules=[Extension('haccrypto._crypto', sources=['haccrypto/_crypto.cpp', 'haccrypto/aes.cpp'],
                            extra_compile_args=['/Ox' if sys.platform == 'win32' else '-O3',