[JDEV] secret for dialback

[Justin Georgeson]

I just noticed that there is a dialback secret, which is a child tag in 
my config file. But dialback.so entry point does this

d->secret = xmlnode_get_attrib(cfg,"secret");

looking for an attribute. Secret just feels a lot more like a child tag. 
Changing the code to

d->secret = pstrdup(i->p,xmlnode_get_tag_data(cfg,"secret"));

Reads the secret as a child tag of

<dialback xmlns='jabber:config:dialback'>

in the s2s section. No real functional difference, just keeps the config 
file more consistent with itself.

-- 
Justin Georgeson
UnBound Technologies, Inc.
http://www.unboundtech.com
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