add death.attack.flyIntoWall (#175)

eng.ini

@@ -123,6 +123,7 @@ death.attack.explosion={%0} blew up
 death.attack.fall={%0} hit the ground too hard
 death.attack.fallingBlock={%0} was squashed by a falling block
 death.attack.fireworks={%0} went off with a bang
+death.attack.flyIntoWall={%0} experienced kinetic energy
 death.attack.generic={%0} died
 death.attack.inFire={%0} went up in flames
 death.attack.inWall={%0} suffocated in a wall