Add mlocati/ip-lib dependency

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

diff --git a/3rdparty b/3rdparty
index 473b7803bdacbfe83a6a5a3f2b639d2e96bf9b65..7078d5310134b5ec35835e18e5e021d716c10d6c 160000 (submodule)
--- a/3rdparty
+++ b/3rdparty
@@ -1 +1 @@
-Subproject commit 473b7803bdacbfe83a6a5a3f2b639d2e96bf9b65
+Subproject commit 7078d5310134b5ec35835e18e5e021d716c10d6c