crypto: fix label cast in EVP_PKEY_CTX_set0_rsa_oaep_label

Author: codebytere

src/crypto/crypto_rsa.cc

@@ -210,7 +210,10 @@ WebCryptoCipherStatus RSA_Cipher(
   if (label_len > 0) {
     void* label = OPENSSL_memdup(params.label.get(), label_len);
     CHECK_NOT_NULL(label);
-    if (EVP_PKEY_CTX_set0_rsa_oaep_label(ctx.get(), label, label_len) <= 0) {
+    if (EVP_PKEY_CTX_set0_rsa_oaep_label(
+      ctx.get(),
+      reinterpret_cast<unsigned char*>(label),
+      label_len) <= 0) {
       OPENSSL_free(label);
       return WebCryptoCipherStatus::FAILED;
     }