parser.t: Correct skip count

I increased the skip count in 08b999a9 by mistake.  For crashing bugs,
executing the code that would have crashed is sufficient to test it.

1 files changed, 1 insertions, 1 deletions

diff --git a/t/comp/parser.t b/t/comp/parser.t
index 61a9ec7ce9..bd3ff7d6af 100644
--- a/t/comp/parser.t
+++ b/t/comp/parser.t
@@ -8,7 +8,7 @@ BEGIN {
     chdir 't' if -d 't';
 }
 
-print "1..173\n";
+print "1..172\n";
 
 sub failed {
     my ($got, $expected, $name) = @_;