Restrict architectures to linux-any as systemd is available only there

debian/control

@@ -14,7 +14,7 @@ Priority: optional
 Section: net
 
 Package: tang
-Architecture: any
+Architecture: linux-any
 Depends: ${misc:Depends}, ${shlibs:Depends},
 Description: network-based cryptographic binding server
  Tang is a service for binding cryptographic keys to network presence.
@@ -22,7 +22,7 @@ Description: network-based cryptographic binding server
  services.
 
 Package: tang-nagios
-Architecture: any
+Architecture: linux-any
 Depends: ${misc:Depends}, ${shlibs:Depends},
     jose,
 Description: monitoring plugin to check the tang server