Fix warning.

src/server/game/Entities/Unit/Unit.cpp

@@ -1692,7 +1692,7 @@ void Unit::CalcAbsorbResist(Unit* victim, SpellSchoolMask schoolMask, DamageEffe
 
     RoundToInterval(auraAbsorbMod, 0.0f, 100.0f);
 
-    uint32 absorbIgnoringDamage = CalculatePct(dmgInfo.GetDamage(), auraAbsorbMod);
+    int32 absorbIgnoringDamage = CalculatePct(dmgInfo.GetDamage(), auraAbsorbMod);
     dmgInfo.ModifyDamage(-absorbIgnoringDamage);
 
     // We're going to call functions which can modify content of the list during iteration over it's elements