orderfile: Fix the broken orderfile bot build.

Silences a link warning. We already silence it for the orderfile
build, silence it for the cygprofile_unittests build as well.

BUG=485542

Review URL: https://codereview.chromium.org/1257683008

Cr-Commit-Position: refs/heads/master@{#341305}

tools/cygprofile/cygprofile.gyp

@@ -28,6 +28,8 @@
         'cygprofile_unittest.cc',
       ],
       'cflags!': [ '-finstrument-functions' ],
+      # TODO(azarchs): Fix the underlying problem (crbug/485542)
+      'ldflags': [ '-Wl,--no-fatal-warnings' ],
       'dependencies': [
         'cygprofile',
         '../../base/base.gyp:base',