Link to existing cover when trying to add a duplicate.

[redakcja.git] / lib / librarian

diff --git a/lib/librarian b/lib/librarian
index ca1a738..6351b43 160000 (submodule)
--- a/lib/librarian
+++ b/lib/librarian
@@ -1 +1 @@
-Subproject commit ca1a73838b1045835171dfa243f9c2c0dfa735fe
+Subproject commit 6351b433475b8119c8cd0cf7a8c72c623308c5d3