NAME
    UnlockLayer -- Unlock layer and allow graphics routines to use it.

SYNOPSIS
    UnlockLayer( l )
                 a0

    void UnlockLayer( struct layer *);

FUNCTION
    When finished changing the ClipRects or whatever you were
    doing with this layer you must call UnlockLayer() to allow
    other tasks to proceed with graphic output to the layer.

INPUTS
    l - pointer to a layer

BUGS

SEE ALSO
    graphics/layers.h, graphics/clip.h