use a github commit hash because upstream has not done a release
for 2 years (and the last rc was 1.5 years ago)
requested by claudio@
OK claudio@ sthen@
pollution diff is in.
lang/squeak/vm does not build but it's due to the recent audio changes
games/xbattle: also fixes some conflicting implicit decl
print/hplip: also fixes some conflicting implicit decl