Replace acc.c with the contents of otccn.c, update tests.
We are no longer checking if the constant data is the same, just the
generated code.
diff --git a/libacc/test b/libacc/test
index 2f999c1..eb4f383 100755
--- a/libacc/test
+++ b/libacc/test
@@ -1,2 +1,2 @@
#!/bin/sh
-gcc acc.c -ldl -o tests/acc && tests/acc tests/otcc.c >tests/otcc.out && diff tests/otcc.out tests/otcc.out-orig
+gcc acc.c -DTEST -ldl -o tests/acc && tests/acc tests/otcc.c tests/otcc.out && diff tests/otcc.out tests/otcc.out-orig