prevent warning

crypto/evp/e_aes.c

@@ -99,9 +99,11 @@ IMPLEMENT_AES_CFBR(256,8)
 static int aes_counter (EVP_CIPHER_CTX *ctx, unsigned char *out,
 		const unsigned char *in, size_t len)
 {
+	unsigned int num;
 	AES_ctr128_encrypt (in,out,len,
 		&((EVP_AES_KEY *)ctx->cipher_data)->ks,
-		ctx->iv,ctx->buf,&ctx->num);
+		ctx->iv,ctx->buf,&num);
+	ctx->num = (size_t)num;
 	return 1;
 }