merge revision(s) 47683: [Backport #10281]

	array.c: GC guard

	* array.c (rb_ary_splice): prevent replacing array from GC.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@47930 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 47641,47642,47644: [Backport #10262]

	* win32/win32.c (VCSUP): nothing to do if this worktree is not under
	  any VCS (it means that the worktree may be from the release package).

	* win32/Makefile.sub (VCSUP): nothing to do if this worktree is not
	  under any VCS (it means that the worktree may be from the release
	  package).


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@47931 b2dd03c8-39d4-4d8f-98ff-823fe69b080e