marshal.c: allow marshalling keyword_init struct
struct.c: define rb_struct_s_keyword_init to shared with marshal.c
internal.h: add the declaration to be used by marshal.c
test/ruby/test_marshal.rb: add test for Bug#14314
[Feature #14314] [ruby-core:84629]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61616 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
marshal.c: allow marshalling keyword_init struct
struct.c: define rb_struct_s_keyword_init to shared with marshal.c
internal.h: add the declaration to be used by marshal.c
test/ruby/test_marshal.rb: add test for Bug#14314
[Feature #14314] [ruby-core:84629]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61616 b2dd03c8-39d4-4d8f-98ff-823fe69b080e