Nick Bowler [Sat, 5 Mar 2022 21:32:48 +0000 (16:32 -0500)]
Fix boardmove testcase typo.
Comparing "if (argv > 0)" is an obvious typo, totally invalid and bogus.
Weirdly GCC fails to complain without "-pedantic", but HP-UX cc is happy
to inform us about the error.