Fixing client_config init
diff --git a/package.json b/package.json
index 4c05b67..f367935 100644
--- a/package.json
+++ b/package.json
@@ -248,6 +248,7 @@
     "src/core/ext/client_config/client_channel.c",
     "src/core/ext/client_config/client_channel_factory.c",
     "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
     "src/core/ext/client_config/connector.c",
     "src/core/ext/client_config/default_initial_connect_string.c",
     "src/core/ext/client_config/initial_connect_string.c",