alpha/67538: Giant-owned panic when compiling with lang/compaq-cc

[John Baldwin]

Synopsis: Giant-owned panic when compiling with lang/compaq-cc

State-Changed-From-To: open->feedback
State-Changed-By: jhb
State-Changed-When: Fri Jun 4 06:53:09 PDT 2004
State-Changed-Why: 
Fix committed to CURRENT to mark linux_wait4() as MP safe.  Please verify
that this fixes the problem, thanks.

http://www.freebsd.org/cgi/query-pr.cgi?pr=67538