[9520] Prevent possible memory leak in WorldSession

[newsbot]

<pre>m src/game/WorldSession.cpp
m src/shared/revision_nr.h

[9520] Prevent possible memory leak in WorldSession</pre>



Дальше... (http://github.com/mangos/mangos/commit/1a94bad1a8abc1b2f9699e5ddbcaf1792f8f375f)