[increase default timeout for regressions and fix superfluous perl warnings
John Meacham <john@repetae.net>**20070302225840] hunk ./regress/regress.prl 22
-my $opt_timeout=60*3;
+my $opt_timeout=60*5;
hunk ./regress/regress.prl 182
-            my $run_cmd = "$fbase " . join(" ",@args) . " > $result->{run_stdout}" . $stdin;
+            my $run_cmd = "$fbase " . join(" ",@args) . " > $result->{run_stdout}" . ($stdin || "");