Move c:identifier from return-value to subchild type, as per Jürgs

Move c:identifier from return-value to subchild type, as per Jürgs

2008-04-28  Johan Dahlin  <jdahlin@async.com.br>

    * giscanner/ast.py:
    * giscanner/girwriter.py:
    * giscanner/glibtransformer.py:
    * tests/parser/Foo-expected.gidl:
    * tests/parser/Makefile.am:
    Move c:identifier from return-value to subchild type,
    as per Jürgs suggestion

svn path=/trunk/; revision=250