8ff8d787e824392ae33a4c3d265d90b269dc1fa7 modify on-the-fly example to accept variables declared in equation tag Dynare failed to compile or Octave testsuite failed to run

A full log can be found at http://www.dynare.org/testsuite/master-octave//octave Run on Octave GNU Octave, version 4.4.0 by dynbot, Linux sedna 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) x86_64 GNU/Linux