Typo fix for 055-1.tmx
Created by: qiuhw
I just changed "Spawn Spikey Mushroom" to "Spawn Spiky Mushroom", which is a typo fix. I find out this typo when debugging why #chipchip not work in new maps recently added.
I'll push a commit to server data repository too, which fix the #chipchip problem with an ugly method. To actually fix the #chipchip problem with an elegant method, someone should remove "Spawn " from all spawn object names in maps, and don't add "Spawn " in the spawn object names again for future maps.