Syncthing: submodules=yes
Fixes build error for beta & future versions. Solves https://f-droid.org/wiki/page/com.nutomic.syncthingandroid/lastbuild_24 .
Fixes build error for beta & future versions. Solves https://f-droid.org/wiki/page/com.nutomic.syncthingandroid/lastbuild_24 .