dev-cpp/robin-hood-hashing: Fix OWNERS

vapier asked me to fix the OWNERS file.

BUG=none
TEST=none

Change-Id: I0c122243507cbf6969c2d46857384045a3385497
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3176680
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Chad Versace <chadversary@chromium.org>
Tested-by: Chad Versace <chadversary@chromium.org>
diff --git a/dev-cpp/robin-hood-hashing/OWNERS b/dev-cpp/robin-hood-hashing/OWNERS
index ee122c0..21d1b02 100644
--- a/dev-cpp/robin-hood-hashing/OWNERS
+++ b/dev-cpp/robin-hood-hashing/OWNERS
@@ -1 +1,2 @@
-include /OWNERS
+# This ebuild, robin-hood-hasing, exists only for the vulkan-layers ebuild.
+include chromiumos/overlays/chromiumos-overlay:/media-libs/vulkan-layers/OWNERS