Fixed curl type warnings - callback function signature and timeout parameter casting

VERSION

@@ -1 +1 @@
-0.1.31
+0.1.32

nostr_core/core.c

@@ -249,7 +249,7 @@ typedef struct {
 /**
  * Callback function for curl to write HTTP response data
  */
-static size_t nip05_write_callback(void* contents, size_t size, size_t nmemb, nip05_http_response_t* response) {
+static size_t nip05_write_callback(char* contents, size_t size, size_t nmemb, nip05_http_response_t* response) {
     size_t total_size = size * nmemb;
     
     // Check if we need to expand the buffer
@@ -346,7 +346,7 @@ static int nip05_http_get(const char* url, int timeout_seconds, char** response_
     curl_easy_setopt(curl, CURLOPT_URL, url);
     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, nip05_write_callback);
     curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
-    curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeout_seconds > 0 ? timeout_seconds : NIP05_DEFAULT_TIMEOUT);
+    curl_easy_setopt(curl, CURLOPT_TIMEOUT, (long)(timeout_seconds > 0 ? timeout_seconds : NIP05_DEFAULT_TIMEOUT));
     curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 0L); // NIP-05 forbids redirects
     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 2L);
@@ -935,7 +935,7 @@ int nostr_nip11_fetch_relay_info(const char* relay_url, nostr_relay_info_t** inf
     curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, nip05_write_callback);
     curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
-    curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeout_seconds > 0 ? timeout_seconds : NIP11_DEFAULT_TIMEOUT);
+    curl_easy_setopt(curl, CURLOPT_TIMEOUT, (long)(timeout_seconds > 0 ? timeout_seconds : NIP11_DEFAULT_TIMEOUT));
     curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L); // NIP-11 allows redirects
     curl_easy_setopt(curl, CURLOPT_MAXREDIRS, 3L);
     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);