curl memory leak pkcs12 client certificate

/* gcc -lcurl -Wall -g -O2 -o curlproblem curlproblem.c */

#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>

#include <curl/curl.h>

#define SERVERURL               "https://accounts.google.com"
#define CLIENTCERTFILEPKCS12    "client.p12"
#define PKCS12IMPORTPASSWORD    "foobar"

#define CLIENTCERTFILEPEM       "client.crt"
#define CLIENTKEYFILEPEM        "client.key"

static void dieif(bool aCondition, const char *aMsg) {
    if (aCondition) {
        fprintf(stderr, "Die: %s\n", aMsg);
        exit(EXIT_FAILURE);
    }
}

int main(int argc, char **argv) {
    dieif(curl_global_init(CURL_GLOBAL_ALL | CURL_GLOBAL_SSL) != CURLE_OK, "curl_global_init");

    CURL *curlCtx = curl_easy_init();
    dieif(!curlCtx, "curl_easy_init");

    dieif(curl_easy_setopt(curlCtx, CURLOPT_URL, SERVERURL) != CURLE_OK, "curl_easy_setopt 1");

    if ((argc == 2) && !strcmp(argv[1], "pem")) {
        fprintf(stderr, "Using PEM\n");
        dieif(curl_easy_setopt(curlCtx, CURLOPT_SSLCERTTYPE, "PEM") != CURLE_OK, "curl_easy_setopt 2");
        dieif(curl_easy_setopt(curlCtx, CURLOPT_SSLCERT, CLIENTCERTFILEPEM) != CURLE_OK, "curl_easy_setopt 3");
        dieif(curl_easy_setopt(curlCtx, CURLOPT_SSLKEYTYPE, "PEM") != CURLE_OK, "curl_easy_setopt 4");
        dieif(curl_easy_setopt(curlCtx, CURLOPT_SSLKEY, CLIENTKEYFILEPEM) != CURLE_OK, "curl_easy_setopt 5");
    } else {
        fprintf(stderr, "Using PKCS#12\n");
        dieif(curl_easy_setopt(curlCtx, CURLOPT_SSLCERTTYPE, "P12") != CURLE_OK, "curl_easy_setopt 6");
        dieif(curl_easy_setopt(curlCtx, CURLOPT_SSLCERT, CLIENTCERTFILEPKCS12) != CURLE_OK, "curl_easy_setopt 7");
        dieif(curl_easy_setopt(curlCtx, CURLOPT_SSLKEYPASSWD, PKCS12IMPORTPASSWORD) != CURLE_OK, "curl_easy_setopt 8");
    }

    dieif(curl_easy_perform(curlCtx) != CURLE_OK, "curl_easy_perform");

    curl_easy_cleanup(curlCtx);
    return 0;
}