pkg-config-wrapper: use system_libdir for libpath

third_party/harfbuzz-ng/harfbuzz.gyp

 # Copyright (c) 2012 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.
 
 {
   'includes': [
     '../../build/win_precompile.gypi',
   ],
   'variables': {
     'variables': {
       'conditions': [
         ['sysroot!=""', {
-          'pkg-config': '<(chroot_cmd) ../../build/linux/pkg-config-wrapper "<(sysroot)" "<(target_arch)"',
+          'pkg-config': '<(chroot_cmd) ../../build/linux/pkg-config-wrapper "<(sysroot)" "<(target_arch)" "<(system_libdir)"',
         }, {
           'pkg-config': 'pkg-config'
         }],
       ],
     },
 
     'pkg-config': '<(pkg-config)',
 
     'conditions': [
       ['OS=="linux" and (buildtype!="Official" or chromeos==1)', {
@@ skipping 167 matching lines @@
             ],
             'libraries': [
               '<!@(<(pkg-config) --libs-only-l harfbuzz)',
             ],
           },
         },
       ],
     }],
   ],
 }