* ext/tk/lib/tkextlib/tile/treeview.rb: fix syntax error.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48024 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* common.mk: nmake doesn't recognize ${} form.  use $() instead.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48025 b2dd03c8-39d4-4d8f-98ff-823fe69b080e