testbot/TestAgent: Make sure we don't overflow alarm()'s 32-bit limit.

[Francois Gouget]

---
 testbot/lib/WineTestBot/TestAgent.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/testbot/lib/WineTestBot/TestAgent.pm b/testbot/lib/WineTestBot/TestAgent.pm
index 3c84d49..1acb0cd 100644
--- a/testbot/lib/WineTestBot/TestAgent.pm
+++ b/testbot/lib/WineTestBot/TestAgent.pm
@@ -174,7 +174,8 @@ sub _SetAlarm($)
   {
     my $Timeout = $self->{deadline} - time();
     die "timeout" if ($Timeout <= 0);
-    alarm($Timeout);
+    # alarm() has a 32-bit limit, even on 64-bit systems
+    alarm($Timeout <= 0xffffffff ? $Timeout : 0xffffffff);
   }
 }
 
-- 
2.0.0.rc0