Fix header file for _byteswap_ulong from MSVC CRT

According to below MSDN link, _byte_swap_ulong comes from stdlib.h, not intrin.h

https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/byteswap-uint64-byteswap-ulong-byteswap-ushort

Bug: chromium:893460
Change-Id: I381e27a367fdc7a72b7d8e844c3e9aaebf1fcf76
Reviewed-on: https://skia-review.googlesource.com/c/180444
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
diff --git a/AUTHORS b/AUTHORS
index aa6a5e6..ea3e0ea 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -29,6 +29,7 @@
 Lee Salzman <lsalzman@mozilla.com>
 Marcin Kazmierczak <mar.kazmierczak@gmail.com>
 Matthew Leibowitz <mattleibow@live.com>
+Microsoft <*@microsoft.com>
 MIPS <*@imgtec.com>
 NVIDIA <*@nvidia.com>
 Opera Software ASA <*@opera.com>