[9552] Make some compiler happy with forward class declaration.

[newsbot]

<pre>m src/game/Spell.h
m src/shared/revision_nr.h

[9552] Make some compiler happy with forward class declaration.</pre>



Дальше... (http://github.com/mangos/mangos/commit/9fb488fb907f0d6d47ed2c9c409fdd1a2d36c05b)