zfsUnstable: mark linux 4.16 as broken

Changed files
+1 -1
pkgs
os-specific
linux
+1 -1
pkgs/os-specific/linux/zfs/default.nix
···
# to be adapted
zfsStable = common {
# comment/uncomment if breaking kernel versions are known
-
incompatibleKernelVersion = null;
+
incompatibleKernelVersion = "4.16";
# this package should point to the latest release.
version = "0.7.7";