*** res/res_agi.c.orig	2010-01-04 13:30:44.000000000 -0500
--- res/res_agi.c	2010-02-22 13:56:41.000000000 -0500
***************
*** 1999,2004 ****
--- 1999,2005 ----
  				reason = "hangup";
  			}
  			ast_frfree(fr);
+ 			fr = NULL;
  		}
  	}