update book submodule

0f46cd4a · tink2123 · 5f992dac · b22b286a · 13c6f692 · b22b286a
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Showing with 1 addition and 1 deletion

external/book external/book +1 -1

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--- a/book @ b22b286a
+++ b/book @ b22b286a
-Subproject commit 13c6f692513771afb50e86a5de2d1cf9a3a53975
+Subproject commit b22b286a7ddf2579541815aff98ee3b803fde9b3