Typecode for AHTOCType was wrong. Fixed.

Mac/Modules/ah/_AHmodule.c

@@ -52,7 +52,7 @@ static PyObject *Ah_AHGotoMainTOC(PyObject *_self, PyObject *_args)
 	PyObject *_res = NULL;
 	OSStatus _err;
 	AHTOCType toctype;
-	if (!PyArg_ParseTuple(_args, "s",
+	if (!PyArg_ParseTuple(_args, "h",
 	                      &toctype))
 		return NULL;
 	_err = AHGotoMainTOC(toctype);

Mac/Modules/ah/ahsupport.py

@@ -17,7 +17,7 @@ OUTPUTFILE = MODNAME + "module.c"	# The file generated by this program
 from macsupport import *
 
 # Create the type objects
-AHTOCType = Type("AHTOCType", "s")
+AHTOCType = Type("AHTOCType", "h")
 
 includestuff = includestuff + """
 #ifdef WITHOUT_FRAMEWORKS