build: Update freestanding-headers
diff --git a/bootstrap b/bootstrap
index fb8c823d..a250de98 100755
--- a/bootstrap
+++ b/bootstrap
@@ -63,7 +63,7 @@ if ! test -f version; then
clone_repo_commit \
https://github.com/osdev0/freestanding-headers.git \
freestanding-headers \
- dd3abd2d7147efc4170dff478d3b7730bed14147
+ 4b8b78007533dec6ae3bd8dddcc302f22a21c140
download_by_hash \
https://github.com/osdev0/cc-runtime/raw/dcdf5d82973e77edee597a047a3ef66300903de9/cc-runtime.c \
