storycraft: fix the line count in progress

dr_botzo/storycraft/models.py

@@ -45,7 +45,9 @@ class StorycraftGame(models.Model):
         """Get a terse summary of the game's progress."""
 
         lines = self.get_lines()
-        num_lines = len(lines)-1
+        num_lines = len(lines)
+        if self.status == StorycraftGame.STATUS_IN_PROGRESS:
+            num_lines -= 1
 
         if num_lines == self.game_length - 1:
             last_line = ' LAST LINE'