proto/infra -> dc/proto

This cleans up proto/!

Change-Id: I3e280c16deef7ad0b01e6e409062831581ec863e
diff --git a/dc/topo/service.go b/dc/topo/service.go
index 8919939..84eda5d 100644
--- a/dc/topo/service.go
+++ b/dc/topo/service.go
@@ -11,8 +11,8 @@
 
 	"code.hackerspace.pl/hscloud/go/mirko"
 	"code.hackerspace.pl/hscloud/go/statusz"
-	ipb "code.hackerspace.pl/hscloud/proto/infra"
 
+	dpb "code.hackerspace.pl/hscloud/dc/proto"
 	"code.hackerspace.pl/hscloud/dc/topo/assets"
 	"code.hackerspace.pl/hscloud/dc/topo/graph"
 	"code.hackerspace.pl/hscloud/dc/topo/state"
@@ -152,22 +152,22 @@
 		for _, po := range sw.Ports {
 			state := "INVALID"
 			switch po.Proto.LinkState {
-			case ipb.SwitchPort_LINKSTATE_DOWN:
+			case dpb.SwitchPort_LINKSTATE_DOWN:
 				state = "DOWN"
-			case ipb.SwitchPort_LINKSTATE_UP:
+			case dpb.SwitchPort_LINKSTATE_UP:
 				state = "UP"
 			}
 			mode := "INVALID"
 			switch po.Proto.PortMode {
-			case ipb.SwitchPort_PORTMODE_SWITCHPORT_UNTAGGED:
+			case dpb.SwitchPort_PORTMODE_SWITCHPORT_UNTAGGED:
 				mode = fmt.Sprintf("UNTAGGED (%d)", po.Proto.VlanNative)
-			case ipb.SwitchPort_PORTMODE_SWITCHPORT_TAGGED:
+			case dpb.SwitchPort_PORTMODE_SWITCHPORT_TAGGED:
 				mode = fmt.Sprintf("TAGGED (%v)", po.Proto.VlanTagged)
-			case ipb.SwitchPort_PORTMODE_SWITCHPORT_GENERIC:
+			case dpb.SwitchPort_PORTMODE_SWITCHPORT_GENERIC:
 				mode = "GENERIC"
-			case ipb.SwitchPort_PORTMODE_ROUTED:
+			case dpb.SwitchPort_PORTMODE_ROUTED:
 				mode = "ROUTED"
-			case ipb.SwitchPort_PORTMODE_MANGLED:
+			case dpb.SwitchPort_PORTMODE_MANGLED:
 				mode = "MANGLED"
 			}