fix: regression introduced in previous commit

gatling-http/src/main/scala/io/gatling/http/engine/HttpEngine.scala

@@ -222,8 +222,9 @@ final class HttpEngine(
       httpClient.flushClientIdChannels(clientId, eventLoop)
     }
 
-  override def close(): Unit =
+  override def close(): Unit = {
     httpClient.close()
-  // perform close on system shutdown instead of virtual user termination as it's shared
-  sharedResolverCache.values().forEach(_.close())
+    // perform close on system shutdown instead of virtual user termination as it's shared
+    sharedResolverCache.values().forEach(_.close())
+  }
 }