Issue #6543: Write the traceback in the terminal encoding instead of utf-8.
Fix the encoding of the modules filename.

Reindent also traceback.h, just because I hate tabs :-)
diff --git a/Python/compile.c b/Python/compile.c
index fa7dcef..c9f6e8d 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -3942,7 +3942,7 @@
     freevars = dict_keys_inorder(c->u->u_freevars, PyTuple_Size(cellvars));
     if (!freevars)
         goto error;
-    filename = PyUnicode_DecodeFSDefault(c->c_filename);
+    filename = PyUnicode_FromString(c->c_filename);
     if (!filename)
         goto error;