port-ofppc/51015: src/sys/arch/ofppc/stand/ofwboot/mbr.c:133: pointless decrement ?

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>Number:         51015
>Category:       port-ofppc
>Synopsis:       src/sys/arch/ofppc/stand/ofwboot/mbr.c:133: pointless decrement ?
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    port-ofppc-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Mar 26 15:30:00 +0000 2016
>Originator:     David Binderman
>Release:        cvs dated 20160326
>Organization:
>Environment:
>Description:
src/sys/arch/ofppc/stand/ofwboot/mbr.c:133]: (style) Assignment of function parameter has no effect outside the function.

Source code is

   recursion--;


Suggest remove.
>How-To-Repeat:

>Fix: