libreflexxestype2 fails to build on i386

[tfoote]

It seems to report it as an unspported architecture

http://build.ros.org/view/Kbin_uX32/job/Kbin_uX32__libreflexxestype2__ubuntu_xenial_i386__binary/66/console

CMake Warning at CMakeLists.txt:19 (message):
  +++++++++++++++++ UNSUPPORTED ARCHITECTURE, UNABLE TO USE ReflexxesTypeII
  +++++++++++++++++


CMake Error at CMakeLists.txt:20 (hset):
  Unknown CMake command "hset".


-- Configuring incomplete, errors o

I'm triaging failing builds on the farm and opening tickets for all of them to try to minimize attempted rebuilds of packages that are continuously failing.