prefork: fix missing import

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/perl/Prefork.pm b/perl/Prefork.pm
index 1e3d9d77bd318e5eeadfca9217ac5d0a2a1bf770..9137ac83159dcd910cd1a8ed63f721ace7e89043 100644 (file)
--- a/perl/Prefork.pm
+++ b/perl/Prefork.pm
@@ -6,6 +6,7 @@ our @EXPORT = qw(initialisation_complete);
 
 use Carp;
 use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK);
+use IO::FDPass;
 use POSIX qw(_exit setsid);
 use Sys::Syslog;