Plug a leak in code_dealloc() (and reordered the deallocs to match the
order of the variables in the declarations).

Also removed an entry in the TODO list that's done.
diff --git a/Python/compile.c b/Python/compile.c
index 5eb52d5..3962b63 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -36,8 +36,6 @@
    XXX   (it's currently the first item of the co_const tuple)
    XXX Generate simple jump for break/return outside 'try...finally'
    XXX Allow 'continue' inside try-finally
-   XXX get rid of SET_LINENO instructions, use JAR's table trick
-   XXX   (need an option to put them back in, for debugger!)
    XXX New 1-byte opcode for loading None
    XXX New opcode for loading the initial index for a for loop
    XXX other JAR tricks?
@@ -111,9 +109,10 @@
 	Py_XDECREF(co->co_code);
 	Py_XDECREF(co->co_consts);
 	Py_XDECREF(co->co_names);
+	Py_XDECREF(co->co_varnames);
 	Py_XDECREF(co->co_filename);
 	Py_XDECREF(co->co_name);
-	Py_XDECREF(co->co_varnames);
+	Py_XDECREF(co->co_lnotab);
 	PyMem_DEL(co);
 }