update: rename filedir to work with new version of leaf

sys-apps/systemd/25-systemd-binfmt.HOOK

@@ -0,0 +1,14 @@
+target=(/usr/lib/binfmt.d/*.conf)
+triggers=("install")
+operation(){
+  if systemd-detect-virt --chroot; then
+    echo >&2 "  Skipped: Running in chroot."
+    exit 0
+  fi
+  if ! systemd-notify --booted; then
+    echo >&2 "  Skipped: Current root is not booted."
+    exit 0
+  fi
+
+  /usr/lib/systemd/systemd-binfmt
+}