* gx sim prototype tweaks

* gx sim prototype tweaks
start-sanitize-gxsim
1999-01-11  Frank Ch. Eigler  <fche@cygnus.com>
	* sim-gx-run.c (sim_engine_run): Allay warnings.  Write out updated
	gx block list after each successful compilation job.
	* sim-gx.c (sim_gx_compiled_block_f): dlopen the main executable
	image, to allow gx block DLLs to resolve symbols there.
	(sim_gx_{read,write}_block_list): Allay warnings.
	(sim_gx_block_translate): Allay warnings.  Add $GX_FLAGS to
	gx compilation/link jobs.
	* sim-gx.h: Allay warnings.
end-sanitize-gxsim