* buildcheck.sh: Look for libtoolize rather than libtool, add some
   more candidate names.

* autogen.sh: Add more candidate names to match buildcheck.sh.

Patch by: Helmut Grohne <helmut{_AT_}subdivi.de>
          me


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1627276 13f79535-47bb-0310-9956-ffa450edef68