Vendor c/common changes

Vendor latest c/common with changes to add a new Farms
table to containers.conf and update system connection to
add a connection to a farm when --farm is set.

Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>

vendor/github.com/Microsoft/hcsshim/osversion/osversion_windows.go

@@ -5,6 +5,7 @@ import (
 	"sync"
 
 	"golang.org/x/sys/windows"
+	"golang.org/x/sys/windows/registry"
 )
 
 // OSVersion is a wrapper for Windows version information
@@ -57,3 +58,18 @@ func (osv OSVersion) String() string {
 func (osv OSVersion) ToString() string {
 	return osv.String()
 }
+
+// Running `cmd /c ver` shows something like "10.0.20348.1000". The last component ("1000") is the revision
+// number
+func BuildRevision() (uint32, error) {
+	k, err := registry.OpenKey(registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Windows NT\CurrentVersion`, registry.QUERY_VALUE)
+	if err != nil {
+		return 0, fmt.Errorf("open `CurrentVersion` registry key: %w", err)
+	}
+	defer k.Close()
+	s, _, err := k.GetIntegerValue("UBR")
+	if err != nil {
+		return 0, fmt.Errorf("read `UBR` from registry: %w", err)
+	}
+	return uint32(s), nil
+}