Suppress C4201 for Windows build.

warning C4201: nonstandard extension used : nameless struct/union

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1767263002 .

1 files changed, 3 insertions, 0 deletions

diff --git a/BUILD.gn b/BUILD.gn
index 4caa645c56..acb6307643 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -51,6 +51,9 @@ config("pdfium_config") {
       "/wd4345",
       "/wd4267",
 
+      # TODO(ochang): Investigate if this can be fixed properly.
+      "/wd4201",
+
       # TODO(thestig): Fix all instances, remove this, pdfium:29
       "/wd4245",
       "/wd4310",