Updated swig_gc interface to make it simpler. git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@9696 626c5289-ae23-0410-ae9c-e8d60b6d4f22
from ruby's GC. Updated newobject1_* tests to use it. git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@9695 626c5289-ae23-0410-ae9c-e8d60b6d4f22