[12477] Fix a VC90 compile problem. Also add some const correctness

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Автор: Schmoozerd


<pre>m src/game/MovementGenerator.h
m src/game/WaypointMovementGenerator.cpp
m src/game/WaypointMovementGenerator.h
m src/shared/revision_nr.h
</pre>
<pre style='white-space:pre-wrap;width:81ex'>[12477] Fix a VC90 compile problem. Also add some const correctness</pre>


Подробнее... (https://github.com/cmangos/mangos-wotlk/commit/1ea0f45abae781335d5573f21367b884904d979e)