Core/Spells: Fix typo (I need sleep)

src/server/scripts/Spells/spell_generic.cpp

@@ -3287,7 +3287,7 @@ class spell_gen_gift_of_naaru : public SpellScriptLoader
                 }
 
                 int32 healTick = floor(heal / aurEff->GetTotalTicks());
-                amount += int32(std::max(heal, 0.0f));
+                amount += int32(std::max(healTick, 0));
             }
 
             void Register()