Merged revisions 203311 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r203311 | twilson | 2009-06-25 15:09:15 -0500 (Thu, 25 Jun 2009) | 2 lines
  
  Don't try to free NULL
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@203338 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/cli.c

@@ -235,7 +235,9 @@ static char *complete_fn(const char *word, int state)
 		c += (strlen(ast_config_AST_MODULE_DIR) + 1);
 	if (c)
 		c = ast_strdup(c);
-	free(d);
+	if (d) {
+		free(d);
+	}
 	
 	return c;
 }