in MS land, -include is /FI

Change-Id: Ibfead1121f22277297e16196b37e6e86dc2d2166
Reviewed-on: https://skia-review.googlesource.com/146649
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
diff --git a/gn/BUILD.gn b/gn/BUILD.gn
index 7edff66..9149a35 100644
--- a/gn/BUILD.gn
+++ b/gn/BUILD.gn
@@ -272,11 +272,16 @@
       "-fsanitize=$sanitizers,$fyi_sanitizers",
       "-fno-sanitize-recover=$sanitizers",
       "-fsanitize-blacklist=$_blacklist",
-      "-include$_blacklist",
     ]
-    if (!is_win) {
-      cflags += [ "-fno-omit-frame-pointer" ]
+    if (is_win) {
+      cflags += [ "/FI$_blacklist" ]
+    } else {
+      cflags += [
+        "-include$_blacklist",
+        "-fno-omit-frame-pointer",
+      ]
     }
+
     if (is_linux) {
       cflags_cc += [ "-stdlib=libc++" ]
       ldflags += [ "-stdlib=libc++" ]