[7318] Fixed damage bonus for spell 1329 and ranks when target is poisoned.

Signed-off-by: ApoC <apoc@nymfe.net>

src/game/SpellEffects.cpp

@@ -4357,7 +4357,7 @@ void Spell::EffectWeaponDmg(uint32 i)
                 }
 
                 if(found)
-                    totalDamagePercentMod *= 1.5f;          // 150% if poisoned
+                    totalDamagePercentMod *= 1.2f;          // 120% if poisoned
             }
             break;
         }