gc.c (gc_page_sweep): return free slots count.
gc.c (gc_sweep_step): use returned free slots count.
gc.c (gc_sweep_step): change variable name next' to next_sweep_page'.
next' to
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54447 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
gc.c (gc_page_sweep): return free slots count.
gc.c (gc_sweep_step): use returned free slots count.
gc.c (gc_sweep_step): change variable name
next' to
next_sweep_page'.git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54447 b2dd03c8-39d4-4d8f-98ff-823fe69b080e