Tweak test, as the output no longer ends where it used to

Author: Greg Sabino Mullane

t/02_txn_idle.t

@@ -68,7 +68,7 @@ sleep(1);
 like ($cp->run(q{-w 0}), qr{longest idle in txn: \d+s}, $t);
 
 $t .= ' (MRTG)';
-like ($cp->run(q{--output=mrtg -w 0}), qr{\d+\n0\n\nPID:\d+ database:$dbname username:check_postgres_testing\n}, $t);
+like ($cp->run(q{--output=mrtg -w 0}), qr{\d+\n0\n\nPID:\d+ database:$dbname username:check_postgres_testing}, $t);
 
 sleep(1);