Update the Vulkan loader to the latest version

third_party/vulkan/loader/cJSON.c

@@ -88,6 +88,10 @@ void cJSON_Delete(cJSON *c) {
     }
 }
 
+void cJSON_Free(void *p) {
+    cJSON_free(p);
+}
+
 /* Parse the input text to generate a number, and populate the result into item.
  */
 static const char *parse_number(cJSON *item, const char *num) {