ext/curb_upload.c in curb-1.0.1 vs ext/curb_upload.c in curb-1.0.2

@@ -70,9 +70,10 @@
 }
 
 /* =================== INIT LIB =====================*/
 void init_curb_upload() {
   cCurlUpload = rb_define_class_under(mCurl, "Upload", rb_cObject);
+  rb_undef_alloc_func(cCurlUpload);
   rb_define_singleton_method(cCurlUpload, "new", ruby_curl_upload_new, 0);
   rb_define_method(cCurlUpload, "stream=", ruby_curl_upload_stream_set, 1);
   rb_define_method(cCurlUpload, "stream", ruby_curl_upload_stream_get, 0);
   rb_define_method(cCurlUpload, "offset=", ruby_curl_upload_offset_set, 1);
   rb_define_method(cCurlUpload, "offset", ruby_curl_upload_offset_get, 0);