x32 builder has network access

[Jan Palus]

Noticed during build of kodi-addon-inputstream-adaptive that contrary to
x86_64 and i686, x32 builder downloaded external sources successfully:

[ 2%] Performing download step (download, verify and extract) for 'bento4'
cd /tmp/B.77a99ah0/BUILD/inputstream.adaptive-20.3.2-Nexus/build/bento4/src && /usr/bin/cmake -P /tmp/B.77a99ah0/BUILD/inputstream.adaptive-20.3.2-Nexus/build/bento4/src/bento4-stamp/download-bento4.cmake
-- Downloading...
dst='/tmp/B.77a99ah0/BUILD/inputstream.adaptive-20.3.2-Nexus/build/download/1.6.0-639-5-Nexus.tar.gz'
timeout='none'
inactivity timeout='none'
-- Using src='https://github.com/xbmc/Bento4/archive/refs/tags/1.6.0-639-5-Nexus.tar.gz'
-- Downloading... done