minor nits in POP corrected.

@@ -39,7 +39,7 @@
 int
 main(int argc, char **argv)
 {
-  mailbox_t mbox;
+  mailbox_t mbox = NULL;
   size_t i;
   size_t count = 0;
   char *mailbox_name = NULL;

@@ -104,6 +104,8 @@ mailbox_create (mailbox_t *pmbox, const char *name, int id)
       else
 	*pmbox = mbox;
     }
+  else
+    status = ENOENT;
 
   return status;
 }

@@ -364,11 +364,11 @@ pop_user (authority_t auth)
 	  CHECK_ERROR_CLOSE (mbox, mpd, EACCES);
 	}
       status = pop_writeline (mpd, "PASS %s\r\n", mpd->passwd);
-      CHECK_ERROR_CLOSE (mbox, mpd, status);
       /* We have to nuke the passwd.  */
       memset (mpd->passwd, 0, strlen (mpd->passwd));
       free (mpd->passwd);
       mpd->passwd = NULL;
+      CHECK_ERROR_CLOSE (mbox, mpd, status);
       MAILBOX_DEBUG0 (mbox, MU_DEBUG_PROT, "PASS *\n");
       mpd->state = POP_AUTH_PASS;
 
@@ -497,9 +497,12 @@ pop_open (mailbox_t mbox, int flags)
       }
 
     case POP_AUTH:
+    case POP_AUTH_USER:
+    case POP_AUTH_USER_ACK:
+    case POP_AUTH_PASS:
+    case POP_AUTH_PASS_ACK:
       status = authority_authenticate (mbox->authority);
-      if (status != 0)
-	return status;
+      CHECK_EAGAIN (mpd, status);
 
     case POP_AUTH_DONE:
       break;

@@ -98,7 +98,6 @@ main (int argc, char **argv)
     registrar_get_list (&bookie);
     list_append (bookie, mbox_record);
     list_append (bookie, path_record);
-    list_append (bookie, pop_record);
   }
 
   /* Set the signal handlers */