Fix 'failed to find animation' warnings when a spell was equipped before the werewolf transformation

apps/openmw/mwmechanics/character.cpp

@@ -520,6 +520,8 @@ void getWeaponGroup(WeaponType weaptype, std::string &group)
     const WeaponInfo *info = std::find_if(sWeaponTypeList, sWeaponTypeListEnd, FindWeaponType(weaptype));
     if(info != sWeaponTypeListEnd)
         group = info->longgroup;
+    else
+        group.clear();
 }
 
 
@@ -1091,6 +1093,8 @@ bool CharacterController::updateWeaponState()
 
         std::string weapgroup;
         if(weaptype == WeapType_None)
+        {
+            if ((!isWerewolf || mWeaponType != WeapType_Spell))
             {
                 getWeaponGroup(mWeaponType, weapgroup);
                 mAnimation->play(weapgroup, priorityWeapon,
@@ -1098,6 +1102,7 @@ bool CharacterController::updateWeaponState()
                                  1.0f, "unequip start", "unequip stop", 0.0f, 0);
                 mUpperBodyState = UpperCharState_UnEquipingWeap;
             }
+        }
         else
         {
             getWeaponGroup(weaptype, weapgroup);