(parse_aux_item_definitions): Close the config file once it is read.

src/server/aux-item-def-parse.y

 %{
 /*
- * $Id: aux-item-def-parse.y,v 1.3 1999/04/02 20:11:26 ceder Exp $
+ * $Id: aux-item-def-parse.y,v 1.4 1999/04/20 20:44:42 ceder Exp $
  * Copyright (C) 1994, 1995, 1996  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -467,6 +467,7 @@ void parse_aux_item_definitions(char *file)
 
     def = empty_aux_item_definition;
     yyparse();
+    fclose(yyin);
 
     if (errorFlag == TRUE)
     {