minor fixes for images in epub/mobi

[wolnelektury.git] / lib / librarian

diff --git a/lib/librarian b/lib/librarian
index 6d1ec86..5085131 160000 (submodule)
--- a/lib/librarian
+++ b/lib/librarian
@@ -1 +1 @@
-Subproject commit 6d1ec864ca2ec59a74afe0f025134fdd18e4f5b5
+Subproject commit 50851315ec74af3cad225137935de36904c4c29b