Disable cert-dcl16-c clang-tidy check for mingw32.

Bug: 120614316
Test: make with WITH_TIDY=1 DEFAULT_GLOBAL_TIDY_CHECKS=-*,cert-*
Change-Id: Ibe46409543eaa4a7f3b710d9742b3252dc9ac7e8
diff --git a/cc/tidy.go b/cc/tidy.go
index ddb445a..6bac846 100644
--- a/cc/tidy.go
+++ b/cc/tidy.go
@@ -108,6 +108,12 @@
 	if len(tidy.Properties.Tidy_checks) > 0 {
 		tidyChecks = tidyChecks + "," + strings.Join(esc(tidy.Properties.Tidy_checks), ",")
 	}
+	if ctx.Windows() {
+		// https://b.corp.google.com/issues/120614316
+		// mingw32 has cert-dcl16-c warning in NO_ERROR,
+		// which is used in many Android files.
+		tidyChecks = tidyChecks + ",-cert-dcl16-c"
+	}
 	flags.TidyFlags = append(flags.TidyFlags, tidyChecks)
 
 	return flags