Merged revisions 168090 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

........
  r168090 | tilghman | 2009-01-09 12:30:55 -0600 (Fri, 09 Jan 2009) | 3 lines
  
  When using ast_str with a non-ast_str-enabled API, we need to update the buffer
  or otherwise, we cannot use ast_str_strlen().
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@168091 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_agi.c

@@ -1631,6 +1631,7 @@ static int handle_dbget(struct ast_channel *chan, AGI *agi, int argc, char **arg
 
 	do {
 		res = ast_db_get(argv[2], argv[3], buf->str, buf->len);
+		buf->used = strlen(buf->str);
 		if (buf->used < buf->len - 1) {
 			break;
 		}