test: Regenerated expected HLSL file

This new expectation file was added with a similar parent that changed the expected output.

Bug: tint:1112
Change-Id: Icb6175f68b6459385933d39e07460eb863ecb9ff
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/71101
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>

test/bug/tint/1321.wgsl.expected.hlsl

@@ -6,7 +6,7 @@ void main() {
   float arr[4] = (float[4])0;
   const int a_save = foo();
   {
-    for(; ; ) {
+    [loop] for(; ; ) {
       const float x = arr[a_save];
       break;
     }