Fix for destroying alien walls with your bare hands.

code/game/objects/effects/aliens.dm

@@ -110,6 +110,11 @@
 		for(var/mob/O in oviewers(src))
 			O.show_message("\red [usr] destroys the [name]!", 1)
 		health = 0
+	else
+		usr << "\blue You claw at the [name]."
+		for(var/mob/O in oviewers(src))
+			O.show_message("\red [usr] claws at the [name]!", 1)
+		health -= rand(5,10)
 	healthcheck()
 	return