[tint] Fix Bazel config_setting_group definition

Corrected the name of the dependent flag that is used in
config_setting_group().

Change-Id: I91c95ef719a3614c8e0e071b72c20ad1cea544c1
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/162560
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
diff --git a/src/tint/flags.bzl b/src/tint/flags.bzl
index 8da589a..b607cf8 100644
--- a/src/tint/flags.bzl
+++ b/src/tint/flags.bzl
@@ -61,7 +61,7 @@
         )
         selects.config_setting_group(
             name = "tint_build_is_{}_false".format(os),
-            match_any = [ "is_{}_true".format(other) for other in OSes if other != os],
+            match_any = [ "tint_build_is_{}_true".format(other) for other in OSes if other != os],
             visibility = ["//visibility:public"],
         )