Don't drop the file's extension when naming the file that we couldn't access.
diff -up cracklib-2.8.13/python/_cracklibmodule.c cracklib-2.8.13/python/_cracklibmodule.c
--- cracklib-2.8.13/python/_cracklibmodule.c	2008-10-28 13:17:48.000000000 -0400
+++ cracklib-2.8.13/python/_cracklibmodule.c	2008-10-28 13:17:54.000000000 -0400
@@ -100,7 +100,7 @@ _cracklib_FascistCheck(PyObject *self, P
         sprintf(dictfile, "%s" DICT_SUFFIX, dict);
         if (lstat(dictfile, &st) == -1)
         {
-            PyErr_SetFromErrnoWithFilename(PyExc_OSError, dict);
+            PyErr_SetFromErrnoWithFilename(PyExc_OSError, dictfile);
             free(dictfile);
             return NULL;
         }
@@ -110,7 +110,7 @@ _cracklib_FascistCheck(PyObject *self, P
         if (lstat(DEFAULT_CRACKLIB_DICT DICT_SUFFIX, &st) == -1)
         {
             PyErr_SetFromErrnoWithFilename(PyExc_OSError,
-                                           DEFAULT_CRACKLIB_DICT);
+                                           DEFAULT_CRACKLIB_DICT DICT_SUFFIX);
             return NULL;
         }
     }