sandbox/seccomp: rename flag type and constants

The names are ambiguous. Rename them to make more sense.

Signed-off-by: Ophestra <cat@gensokyo.uk>

fst/config.go

@@ -106,7 +106,7 @@ func Template() *Config {
 				Userns:        true,
 				Net:           true,
 				Dev:           true,
-				Seccomp:       seccomp.FlagMultiarch,
+				Seccomp:       seccomp.FilterMultiarch,
 				Tty:           true,
 				Multiarch:     true,
 				MapRealUID:    true,

fst/sandbox.go

@@ -21,7 +21,7 @@ type (
 		Hostname string `json:"hostname,omitempty"`
 
 		// extra seccomp flags
-		Seccomp seccomp.SyscallOpts `json:"seccomp"`
+		Seccomp seccomp.FilterOpts `json:"seccomp"`
 		// allow ptrace and friends
 		Devel bool `json:"devel,omitempty"`
 		// allow userns creation in container
@@ -98,7 +98,7 @@ func (s *SandboxConfig) ToContainer(sys SandboxSys, uid, gid *int) (*sandbox.Par
 	}
 
 	if s.Multiarch {
-		container.Seccomp |= seccomp.FlagMultiarch
+		container.Seccomp |= seccomp.FilterMultiarch
 	}
 
 	/* this is only 4 KiB of memory on a 64-bit system,