[PATCH 2/6] user32: Add a convenience function for retrieving the number of steps in a cursor (try 2).

[Erich Hoover]

Real Name:
    Erich Hoover
Description:
    The attached patch adds a get_icon_steps() function for obtaining
the number of steps in a cursor.  This feature helps simplify patch 3
so that it is not necessary to test in multiple places for whether a
cursor is static or animated.
ChangeLog:
    user32: Add a convenience function for retrieving the number of
steps in a cursor.
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