Add '_gone' textures for statbar images

mods/rp_hud/init.lua

@@ -9,7 +9,7 @@ local health_bar_definition = {
    hud_elem_type = "statbar",
    position = { x=0.5, y=1 },
    text = "heart.png",
-   text2 = "heart.png^[colorize:#666666:255",
+   text2 = "heart_gone.png",
    number = minetest.PLAYER_MAX_HP_DEFAULT,
    item = minetest.PLAYER_MAX_HP_DEFAULT,
    direction = 0,
@@ -22,7 +22,7 @@ local breath_bar_definition = {
    hud_elem_type = "statbar",
    position = { x=0.5, y=1 },
    text = "bubble.png",
-   text2 = "bubble.png^[colorize:#666666:255",
+   text2 = "bubble_gone.png",
    number = minetest.PLAYER_MAX_BREATH_DEFAULT*2,
    item = minetest.PLAYER_MAX_BREATH_DEFAULT*2,
    dir = 0,

mods/rp_hunger/init.lua

@@ -203,7 +203,7 @@ local function update_bar(player)
 	    hud_elem_type = "statbar",
 	    position = {x=0.5,y=1.0},
 	    text = "hunger.png",
-	    text2 = "hunger.png^[colorize:#666666:255",
+	    text2 = "hunger_gone.png",
 	    number = userdata[name].hunger,
 	    item = hunger.MAX_HUNGER,
 	    dir = 0,