Update _subsystems.dm (#334)

code/__DEFINES/_subsystems.dm

@@ -143,10 +143,10 @@
 #define FIRE_PRIORITY_SILO 92
 #define FIRE_PRIORITY_PATHFINDING 95
 #define FIRE_PRIORITY_PROJECTILES 98
-#define FIRE_PRIORITY_CELLAUTO 99
 #define FIRE_PRIORITY_MOBS 100
 #define FIRE_PRIORITY_ASSETS 105
 #define FIRE_PRIORITY_TGUI 110
+#define FIRE_PRIORITY_CELLAUTO 150
 #define FIRE_PRIORITY_TICKER 200
 #define FIRE_PRIORITY_STATPANEL 390
 #define FIRE_PRIORITY_CHAT 400