Infinite recursion on ForeignKey models referencing eacother

```
class Model1(models.Model):
    model2_fk = models.ForiegnKey('Model2')

class Model2(models.Model):
    model1_fk = models.ForeighnKey('Model1')

type_map.genMsg(Model1) results in infinite recursion.



```

Original issue reported on code.google.com by `walker.z...@gmail.com` on 29 Jan 2010 at 7:22
