New review comment by icp1994 on void-packages repository

https://github.com/void-linux/void-packages/pull/42590#discussion_r1125723345

Comment:
If I'm understanding this right, what you actually want is
```bash
if [[ "$XBPS_TARGET_WORDSIZE" -eq 32 ]]; then
	export HAS_64CDEFS=0
else
	export HAS_32CDEFS=0
fi
```