File storage-conf-prio-list.patch of Package libcontainers-common

Index: storage.conf
===================================================================
--- storage.conf	(revision 47301679d738dc753ca159ab9b151da5)
+++ storage.conf	(working copy)
@@ -19,6 +19,10 @@
 # Temporary storage location
 runroot = "/run/containers/storage"
 
+# Priority list for the storage drivers that will be tested one
+# after the other to pick the storage driver if it is not defined.
+# driver_priority = ["btrfs", "overlay"]
+
 # Primary Read/Write location of container storage
 # When changing the graphroot location on an SELINUX system, you must
 # ensure  the labeling matches the default locations labels with the