stasis_channels.c: Eliminate another overuse of RAII_VAR().
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Merged revisions 411636 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@411637 f38db490-d61c-443f-a65b-d21fe96a405b
res_parking: Minor tweaks.

* Use ast_bridge_channel_lock()/ast_bridge_channel_unlock() instead of
ao2_lock()/ao2_unlock() for struct ast_bridge_channel variables.

* Use ast_copy_string() instead of inlining it.

* Remove an already done TODO comment.

* Some whitespace tweaks.
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Merged revisions 411638 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@411639 f38db490-d61c-443f-a65b-d21fe96a405b