merge revision(s) 39578: [Backport #8009]

	* Makefile.in (miniruby, ruby): move MAINLIBC because linker arguments
	  must appear after object files with newer versions of gcc.  patch by
	  tmm1 (Aman Gupta) in [ruby-core:53121] [Bug #8009]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@40098 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/objspace/objspace.c (count_nodes): fix key for unknown node.
  based on a patch by tmm1 (Aman Gupta) in [ruby-core:53130] [Bug #8014]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@40099 b2dd03c8-39d4-4d8f-98ff-823fe69b080e