Update README.md

danielzehe · web-flow · commit 9fb11986a521 · 2019-11-01T14:35:17.000+08:00
added return true to the content provider get example, doesn't compile without it
diff --git a/README.md b/README.md
@@ -196,6 +196,7 @@ int main(void)
   auto res = cli.Get("/large-data",
     [&](const char *data, uint64_t data_length) {
       body.append(data, data_length);
+      return true;
     });
 
   assert(res->body.empty());
