MFC 295677,295678:

MFC 295677,295678:
Fetch the current thread and it's syscall state from the trussinfo object
instead of passing some of that state as arguments to print_syscall() and
print_syscallret().  This just makes the calls of these functions shorter
and easier to read.

git-svn-id: svn://svn.freebsd.org/base/stable/10@298410 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f