Ensure bazel is really brought down

dims · dims · commit 36785bedfcf5 · 2020-02-07T13:14:44.000-05:00
diff --git a/build/root/Makefile b/build/root/Makefile
@@ -624,4 +624,5 @@ else
 bazel-release:
 	bazel build //build/release-tars
 	bazel shutdown
+	pkill ^bazel || true
 endif
