Allow Berkeley DB 4.6 in Windows.
Allow Berkeley DB 4.6 in Windows.

* build/generator/gen_win.py
  (_find_bdb): Allow Berkeley DB 4.6.

Approved by: dlr


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@867609 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion