linstor-common: update to master

rp- · rp- · commit 18158c30298a · 2020-05-07T10:06:17.000+02:00
diff --git a/linstor-common b/linstor-common
@@ -1 +1 @@
-Subproject commit 7b0004556251ade43727dbd936a0670a19da6997
+Subproject commit 389ddf6dc4fcfc51de04106e6eb7093b76ff19ff
