C-Script only; moves the current function to the very end of the function
scheduler list. Necessary when the execution order of functions within
one frame cycle is important, which is the case when the function needs
results or entity or camera positions that are calculated by other functions.
The other functions must then run earlier during each frame cycle.
In lite-C this
Function is set at the end to the scheduler list
proc_late(); // C-Script
proc_mode = PROC_LATE; // lite-C