[erlang-patches] syntax tools 1.6.9

[Richard Carlsson]

This updates syntax tools in OTP to have all patches from the 
development version, bumping the version number.

     git fetch git://github.com/richcarl/otp.git syntax_tools-1.6.9

Release notes:

   Syntax Tools 1.6.9

     - Minor bugfixes, spec annotations and documentation cleanup.


   /Richard