Fix failing tidy (line endings on Windows)

petrochenkov · petrochenkov · commit 55f90c77e8ee · 2019-02-10T16:21:47.000+03:00
diff --git a/src/doc/embedded-book b/src/doc/embedded-book
@@ -1 +1 @@
-Subproject commit d663113d1d9fbd35f1145c29f6080a6350b7f419
+Subproject commit bd2778f304989ee52be8201504d6ec621dd60ca9
