[presubmit] Enable runtime/threadsafe_fn linter checking.

src/base/platform/platform-win32.cc

Index: src/base/platform/platform-win32.cc
diff --git a/src/base/platform/platform-win32.cc b/src/base/platform/platform-win32.cc
index afd3061aa79614705e9f592cbacc043febbe2944..a73dc523c41278e79db28b93580152872cb54a8c 100644
--- a/src/base/platform/platform-win32.cc
+++ b/src/base/platform/platform-win32.cc
@@ -46,7 +46,7 @@ inline void MemoryBarrier() {
 
 
 int localtime_s(tm* out_tm, const time_t* time) {
-  tm* posix_local_time_struct = localtime(time);
+  tm* posix_local_time_struct = localtime(time);  // NOLINT
   if (posix_local_time_struct == NULL) return 1;
   *out_tm = *posix_local_time_struct;
   return 0;