test: fix fuzzing test

Author: anonrig

fuzz/parse.cc

@@ -100,7 +100,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   /**
    * ada::url_search_params
    */
-  ada::url_search_params(base_source_view);
+  auto initialized = ada::url_search_params(base_source_view);
 
   auto search_params = ada::url_search_params();
   search_params.append(source, base_source);