K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2020-09-03T02:17:55.044682Z
K 7
svn:log
V 276
mgb: correct macro argument name

mgb had a longstanding typo in function-like macro MGB_NEXT_RING_IDX's
argument, but the macro had no consumers.  r365061 introduced a use of
the macro, after which mgb failed to build.

MFC after:	3 days
Sponsored by:	The FreeBSD Foundation

END