[Fix] I'm a retard!! I wasn't initialising ticks.. Spawning now works. Ima go sleep now.

src/space.c

@@ -189,6 +189,8 @@ void space_update(const double dt) {
 
 	(void)dt; // Don't need it right now.
 
+	t = SDL_GetTicks();
+
 	if(cur_system->nfleets == 0)
 		// Please stop checking that there are no fleets.
 		spawn_timer = t + 300000;