New review comment by Calandracas606 on void-packages repository

https://github.com/void-linux/void-packages/pull/48453#discussion_r1492843461

Comment:
As you mentioned its probably possible to leave this up to xbps-src to add this flag when building `-dbg`

debug flag `-g` is added to CFLAGS automatically by xbps-src, see `common/xbps-src/shutils/common.sh`