fix no extensions build

Signed-off-by: Andy Green <andy.green@linaro.org>
diff --git a/lib/client-handshake.c b/lib/client-handshake.c
index d043545..f8fb6b5 100644
--- a/lib/client-handshake.c
+++ b/lib/client-handshake.c
@@ -166,8 +166,8 @@
 			      int ietf_version_or_minus_one)
 {
 	struct libwebsocket *wsi;
-	int n;
 #ifndef LWS_NO_EXTENSIONS
+	int n;
 	int m;
 	struct libwebsocket_extension *ext;
 	int handled;