New comment by Anachron on void-packages repository

https://github.com/void-linux/void-packages/pull/13330#issuecomment-515087413
Comment:
`export XBPS_TARGET_WORDSIZE="$XBPS_TARGET_WORDSIZE"` is this correct? Imo it should either be `export XBPS_TARGET_WORDSIZE` or the declaration to a new value.