K 10
svn:author
V 8
vangyzen
K 8
svn:date
V 27
2017-05-20T17:30:48.241838Z
K 7
svn:log
V 285
libthr: change CHECK_AND_INIT_RWLOCK to an inline function

This was prompted by a compiler warning about 'ret' shadowing
a local variable in the callers of the macro.

Reviewed by:	kib
MFC after:	3 days
Sponsored by:	Dell EMC
Differential Revision:	https://reviews.freebsd.org/D10832

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