Which branch should I build for Flink 1.3.2

[Bowen Li]

Hi guys,
    I'm trying to build Flink 1.3.2 myself from source code, and which
branch I should build from? 'release-1.3' or 'release-1.3.2-rc3'? I think
it should be the former one, but want you confirm on it.

Thanks,
Bowen