Added missing spell target position for Wrap of Unity Item

When using these items will now teleport you to stormwind or ogrimmar.

Item: http://www.wowhead.com/item=63206 -> Spell: http://www.wowhead.com/spell=89157
Item: http://www.wowhead.com/item=63207 -> Spell: http://www.wowhead.com/spell=89158

Added target position for them in spell_target_position

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Using configuration file worldserver.conf.
Using SSL version: OpenSSL 1.0.1c 10 May 2012 (library: OpenSSL 1.0.1c 10 May 2012)
Using ACE version: 6.1.4
TrinityCore rev. 4b4199d75b59 2013-03-04 23:44:25 +0100 (4.3.4 branch) (Win32, Release) (worldserver-daemon)

Realm running as realm ID 1
Using World DB: TDB 434.04