Add source file name and line number to error messages.

Byte code has a map from byte-code offset to source-code line number,
used to give better error messages.
diff --git a/unix-cpy/main.c b/unix-cpy/main.c
index 7d56cea..1f54b6f 100644
--- a/unix-cpy/main.c
+++ b/unix-cpy/main.c
@@ -48,7 +48,7 @@
             //printf("----------------\n");
 
             // compile
-            mp_obj_t module_fun = mp_compile(pn, false);
+            mp_obj_t module_fun = mp_compile(pn, 0, false);
 
             //printf("----------------\n");