Bump advtrains from `9d7b21c` to `fb837a4`

Bumps [advtrains](https://github.com/minetest-mirrors/advtrains) from `9d7b21c` to `fb837a4`.
- [Release notes](https://github.com/minetest-mirrors/advtrains/releases)
- [Commits](9d7b21c451...fb837a449a)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
master
dependabot-preview[bot] 2020-03-16 06:30:15 +00:00 committed by Buckaroo Banzai
parent 7ea7d584b6
commit a30990ea2f
1 changed files with 1 additions and 1 deletions

@ -1 +1 @@
Subproject commit 9d7b21c451ac5ae9475236814f33e5627061ece1
Subproject commit fb837a449af3bc3f5d70b10d807fc53982520e9f