Fix fluent bit

(cherry picked from commit ea20da4)

Author: alexhulbert

l2/mkosi.build

@@ -57,5 +57,5 @@ make_git_package \
     "systemd/google-cloud-ops-agent-fluent-bit.service:/usr/lib/systemd/system/google-cloud-ops-agent-fluent-bit.service" \
     "systemd/google-cloud-ops-agent.service:/usr/lib/systemd/system/google-cloud-ops-agent.service"
 mkdir -p "$DESTDIR/opt/google-cloud-ops-agent/subagents"
-ln -s /opt/fluent-bit/bin/fluent-bit "$DESTDIR/opt/google-cloud-ops-agent/subagents/fluent-bit"
+ln -s /opt/fluent-bit "$DESTDIR/opt/google-cloud-ops-agent/subagents/fluent-bit"
 sed -i 's|@PREFIX@|/opt/google-cloud-ops-agent|g; s|@SYSCONFDIR@|/etc|g' "$DESTDIR/usr/lib/systemd/system/google-cloud-ops-agent"*.service