reinterpret_cast for parseCacheControl to avoid -Wformat warning on all platforms

src/storage/response.cpp

@@ -9,7 +9,7 @@ int64_t Response::parseCacheControl(const char *value) {
         uint64_t seconds = 0;
         // TODO: cache-control may contain other information as well:
         // http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9
-        if (std::sscanf(value, "max-age=%llu", static_cast<unsigned long long *>(&seconds)) == 1) {
+        if (std::sscanf(value, "max-age=%llu", reinterpret_cast<unsigned long long *>(&seconds)) == 1) {
             return std::chrono::duration_cast<std::chrono::seconds>(
                        std::chrono::system_clock::now().time_since_epoch()).count() +
                    seconds;