Hi CGEN,

  I think this patch is about right.  It stringifies the test data at a handy
point where it's all being mapped over a list anyway, and now I get a working
sim-build.sh and a tmpdir/ full of *.cgs scripts.


	* sim-test.scm (build-sim-testcase): Convert test-data and
	syntax-list items to strings.
	(cgen-build.sh): Stringify current-arch-name throughout.

    cheers,
      DaveK