killmessages: fix duplicate killfeed entry (#342)

Author: brenodanyel

[gameplay]/killmessages/scripts/client/c.killmessages.lua

@@ -134,10 +134,12 @@ end)
 
 addEventHandler('onClientPlayerWasted', localPlayer, function()
     if (not possibleKiller) then
-        -- If there is no possible killer and the current vehicle is exploded
         local myVehicle = getPedOccupiedVehicle(localPlayer)
-        myVehicle = myVehicle and isVehicleBlown(myVehicle)
-        triggerServerEvent('outputKillFromClient', localPlayer, localPlayer, myVehicle)
+
+        if myVehicle and isVehicleBlown(myVehicle) then
+            triggerServerEvent('outputKillFromClient', localPlayer, localPlayer, myVehicle)
+        end
+
         return
     end