* sim/ucsim/cmd.src/error.cc, sim/ucsim/cmd.src/errorcl.h,

* sim/ucsim/cmd.src/error.cc, sim/ucsim/cmd.src/errorcl.h,
  sim/ucsim/sim.src/stack.cc, sim/ucsim/sim.src/stackcl.h,
  sim/ucsim/sim.src/uc.cc, sim/ucsim/sim.src/uccl.h,
  sim/ucsim/sim.src/mem.cc, sim/ucsim/sim.src/memcl.h,
  sim/ucsim/cmd.src/cmdconf.cc: dynamic construction of cl_error_class
  and derivates to resolve the initialization problem on OSX

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3932 4a8a32a2-be11-0410-ad9d-d568d2c75423