[soc2010/query-refactor] Fix an amusing typo (didn't break anything, …

…was just stupid). Thanks to Waldemar Kornewald for the report.

git-svn-id: http://code.djangoproject.com/svn/django/branches/soc2010/query-refactor@13357 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/contenttypes/models.py

@@ -72,7 +72,7 @@ def _add_to_cache(self, using, ct):
         self.__class__._cache.setdefault(using, {})[ct.id] = ct
 
 class ContentType(models.Model):
-    id = models.NativeAutoField(primary_key=100)
+    id = models.NativeAutoField(primary_key=True)
     name = models.CharField(max_length=100)
     app_label = models.CharField(max_length=100)
     model = models.CharField(_('python model class name'), max_length=100)