vendor: fix docker/docker vendoring (update to 9f28837c1d93

commit c41b006be1 updated the version of
docker/docker in go.mod, but possibly overlooked that there was still a
replace rule present. As a result the version was not actually updated.

This patch removes the replace rule, updating docker/docker to 9f28837c1d93

full diff: 4634ce647c...9f28837c1d

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/moby/sys/mountinfo/mountinfo.go

@@ -0,0 +1,67 @@
+package mountinfo
+
+import "io"
+
+// GetMounts retrieves a list of mounts for the current running process,
+// with an optional filter applied (use nil for no filter).
+func GetMounts(f FilterFunc) ([]*Info, error) {
+	return parseMountTable(f)
+}
+
+// GetMountsFromReader retrieves a list of mounts from the
+// reader provided, with an optional filter applied (use nil
+// for no filter). This can be useful in tests or benchmarks
+// that provide a fake mountinfo data.
+func GetMountsFromReader(reader io.Reader, f FilterFunc) ([]*Info, error) {
+	return parseInfoFile(reader, f)
+}
+
+// Mounted determines if a specified mountpoint has been mounted.
+// On Linux it looks at /proc/self/mountinfo.
+func Mounted(mountpoint string) (bool, error) {
+	entries, err := GetMounts(SingleEntryFilter(mountpoint))
+	if err != nil {
+		return false, err
+	}
+
+	return len(entries) > 0, nil
+}
+
+// Info reveals information about a particular mounted filesystem. This
+// struct is populated from the content in the /proc/<pid>/mountinfo file.
+type Info struct {
+	// ID is a unique identifier of the mount (may be reused after umount).
+	ID int
+
+	// Parent indicates the ID of the mount parent (or of self for the top of the
+	// mount tree).
+	Parent int
+
+	// Major indicates one half of the device ID which identifies the device class.
+	Major int
+
+	// Minor indicates one half of the device ID which identifies a specific
+	// instance of device.
+	Minor int
+
+	// Root of the mount within the filesystem.
+	Root string
+
+	// Mountpoint indicates the mount point relative to the process's root.
+	Mountpoint string
+
+	// Opts represents mount-specific options.
+	Opts string
+
+	// Optional represents optional fields.
+	Optional string
+
+	// Fstype indicates the type of filesystem, such as EXT3.
+	Fstype string
+
+	// Source indicates filesystem specific information or "none".
+	Source string
+
+	// VfsOpts represents per super block options.
+	VfsOpts string
+}