From b8320d31a73fac1d1a9e3a904c8990786cb41306 Mon Sep 17 00:00:00 2001
From: William Woodall <william@osrfoundation.org>
Date: Mon, 27 Apr 2015 14:44:16 -0700
Subject: [PATCH] fix warning on Windows

---
 src/impl/win.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/impl/win.cc b/src/impl/win.cc
index 7b1f1a6..92a5c62 100644
--- a/src/impl/win.cc
+++ b/src/impl/win.cc
@@ -28,6 +28,7 @@ _prefix_port_if_needed(const wstring &input)
   {
     return windows_com_port_prefix + input;
   }
+  return input;
 }
 
 Serial::SerialImpl::SerialImpl (const string &port, unsigned long baudrate,