Add GDB pretty-printing for svn_boolean_t.
Add GDB pretty-printing for svn_boolean_t.

* tools/dev/gdb-py/svndbg/printers.py
  (SvnBooleanPrinter): New pretty-printer.
  (build_libsvn_printers): Add it.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1367264 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion