cvsync doesn't work simply on 7-current with SYMVER_ENABLED=yes

	I'm testing SYMVER_ENABLED=yes environment by using net/cvsync.
	Yes, it is quite simple.  You can only install and use it.  It
	doesn't require any setting like following.

	$ cvsync -4 -v 'cvsync://cvsync.allbsd.org/freebsd-src/rcs/?prefix=/home/ncvs'


	I tested -lthr case and -lpthread case.  Please see attached log.

	$ ktrace -i -t cnisuw =cvsync -4 -v 'cvsync://cvsync.allbsd.org/freebsd-src/rcs/?prefix=/home/ncvs'
	Parsing a URI cvsync://cvsync.allbsd.org/freebsd-src/rcs/?prefix=/home/ncvs...
	Connecting to cvsync.allbsd.org port 7777
	host 133.31.130.35 port 7777: Operation timed out
	service is not available at cvsync.allbsd.org port 7777

	cvsync didn't work:-(.  Really, SYMVER_ENABLED=YES is usable?