disorder-ondemand.in: Guard against `$PID' getting lost halfway through.

diff --git a/disorder-ondemand.in b/disorder-ondemand.in
index a517e7b..98e39c2 100755 (executable)
--- a/disorder-ondemand.in
+++ b/disorder-ondemand.in
@@ -49,7 +49,7 @@ $SIG{CHLD} = sub {
 };
 
 $SIG{TERM} = $SIG{INT} = sub {
-  kill "TERM", $PID if defined $PID;
+  eval { my $pid = $PID; kill "TERM", $pid if defined $pid; };
   exit 0;
 };