Typo of "$T_branch_idx]" returns always nil - Error then "attempt to concatenate a nil value" from lua. Reorder the ] into a string.

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https://github.com/kamailio/kamailio/pull/1324

-- Commit Summary --

* fix typo in function ksr_branch_manage

-- File Changes --

M misc/examples/kemi/kamailio-basic-kemi-lua.lua (4)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/1324.patch https://github.com/kamailio/kamailio/pull/1324.diff