Upgrade libxo to 0.4.5.

Local changes incorporated by 0.4.5: r284340
Local changes retained: r276260, r282117

Obtained from:	https://github.com/Juniper/libxo

1 files changed, 1 insertions, 1 deletions

diff --git a/contrib/libxo/tests/core/saved/test_08.X.out b/contrib/libxo/tests/core/saved/test_08.X.out
index 5eb72b2..b8ee392 100644
--- a/contrib/libxo/tests/core/saved/test_08.X.out
+++ b/contrib/libxo/tests/core/saved/test_08.X.out
@@ -1 +1 @@
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