Don't fail if $g->set_program method is not supported.

For RHEL 6.

diff --git a/import-to-ovirt.pl b/import-to-ovirt.pl
index 112e6d6..abb557b 100755 (executable)
--- a/import-to-ovirt.pl
+++ b/import-to-ovirt.pl
@@ -242,7 +242,7 @@ unlink ".test.qcow2";
 
 # Open the guest in libguestfs so we can inspect it.
 my $g = Sys::Guestfs->new ();
-$g->set_program ("virt-import-to-ovirt");
+eval { $g->set_program ("virt-import-to-ovirt"); };
 $g->add_drive_opts ($_, readonly => 1) foreach (@disks);
 $g->launch ();
 my @roots = $g->inspect_os ();