Generate build_neon.bat after checking for BDB libs.
Generate build_neon.bat after checking for BDB libs.

* build/win32/gen_win.py (WinGeneratorBase.__init__): Move the block of
  code that generates build_neon.bat after the BDB library search, and
  embeautify some comments.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@846038 13f79535-47bb-0310-9956-ffa450edef68

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