heh, remove patch to generated file.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@97826 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/ast_expr2f.c

@@ -3963,7 +3963,6 @@ void *ast_yyrealloc  (void * ptr, yy_size_t  size , yyscan_t yyscanner)
 
 void ast_yyfree (void * ptr , yyscan_t yyscanner)
 {
-	if (ptr)
 	free( (char *) ptr );	/* see ast_yyrealloc() for (char *) cast */
 }