New review comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/48354#discussion_r1490464855

Comment:
```suggestion
if [ "$XBPS_CHECK_PKGS" ]; then
	# The test suite checks for NDEBUG and fails if it is defined, even if all other tests would pass
	CFLAGS+=" -UNDEBUG"
fi
```