Bump libcompose and sync dependencies

vendor/github.com/boltdb/bolt/bolt_openbsd.go

@@ -1,27 +0,0 @@
-package bolt
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-const (
-	msAsync      = 1 << iota // perform asynchronous writes
-	msSync                   // perform synchronous writes
-	msInvalidate             // invalidate cached data
-)
-
-func msync(db *DB) error {
-	_, _, errno := syscall.Syscall(syscall.SYS_MSYNC, uintptr(unsafe.Pointer(db.data)), uintptr(db.datasz), msInvalidate)
-	if errno != 0 {
-		return errno
-	}
-	return nil
-}
-
-func fdatasync(db *DB) error {
-	if db.data != nil {
-		return msync(db)
-	}
-	return db.file.Sync()
-}