apkbuild-lint thinking setting LUA_CFLAGS would overwrite CFLAGS
From alpine/aports!6806 (diffs):
LUA_CFLAGS="$(pkg-config --cflags lua$_i)"
apkbuild-lint complains about that: SP:[AL36]:APKBUILD:35:CFLAGS should not be overwritten, add $CFLAGS to it.