Fix ctf_respawn_delay bug (#880)

mods/ctf/ctf_respawn_delay/init.lua

@@ -8,8 +8,7 @@ local RESPAWN_MESSAGE = "Respawning in "
 
 minetest.register_on_dieplayer(function(player, reason)
 	local pname = player:get_player_name()
-	if ctf_match.is_in_build_time() or (reason.type == "punch" and reason.object and
-	reason.object:is_player() and reason.object:get_player_name() == pname) then
+	if ctf_match.is_in_build_time() or ctf_respawn_delay.players[pname] then -- what is dead may never die
 		return
 	end
 

mods/ctf/ctf_traps/init.lua

@@ -63,7 +63,10 @@ minetest.register_node("ctf_traps:damage_cobble", {
 			if placerobj then
 				digger:punch(placerobj, 10, {damage_groups = {fleshy = 7}}, vector.new(0, 1, 0))
 			else
-				digger:set_hp(digger:get_hp() - 7)
+				local hp = digger:get_hp()
+				if hp > 0 then
+					digger:set_hp(hp - 7)
+				end
 			end
 
 			minetest.remove_node(pos)