GN Windows component build fixes.

third_party/libusb/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 assert(!is_android && !is_ios)
 
 import("//build/config/features.gni")
 
 config("libusb_config") {
   include_dirs = [ "src/libusb" ]
@@ skipping 88 matching lines @@
       cflags += [ "-Wno-pointer-sign" ]
     }
   }
 
   if (is_win) {
     include_dirs += [ "src/msvc" ]
     sources -= [
       "src/libusb/os/poll_posix.c",
       "src/libusb/os/threads_posix.c",
     ]
+    libs = [ "setupapi.lib" ]
   } else {
     include_dirs += [ "src" ]
     sources -= [
       "src/libusb/os/poll_windows.c",
       "src/libusb/os/poll_windows.h",
       "src/libusb/os/threads_windows.c",
       "src/libusb/os/threads_windows.h",
       "src/libusb/os/windows_common.h",
       "src/libusb/os/windows_usb.c",
       "src/libusb/os/windows_usb.h",
       "src/msvc/config.h",
       "src/msvc/inttypes.h",
       "src/msvc/stdint.h",
     ]
   }
 }