Move DiffSuppressFunc to the right field

mmv1/third_party/terraform/resources/resource_compute_router_interface.go.erb

@@ -71,19 +71,19 @@ func resourceComputeRouterInterface() *schema.Resource {
 				Description:    `The IP address and range of the interface. The IP range must be in the RFC3927 link-local IP space. Changing this forces a new interface to be created.`,
 			},
 			"private_ip_address": {
+				Type:           schema.TypeString,
+				Optional:       true,
+				ForceNew:       true,
+				Description:    `The regional private internal IP address that is used to establish BGP sessions to a VM instance acting as a third-party Router Appliance.`,
+			},
+			"subnetwork": {
 				Type:             schema.TypeString,
 				Optional:         true,
 				ForceNew:         true,
 				DiffSuppressFunc: compareSelfLinkOrResourceName,
-				Description:      `The regional private internal IP address that is used to establish BGP sessions to a VM instance acting as a third-party Router Appliance.`,
-			},
-			"subnetwork": {
-				Type:          schema.TypeString,
-				Optional:      true,
-				ForceNew:      true,
-				AtLeastOneOf:  []string{"vpn_tunnel", "interconnect_attachment", "subnetwork"},
-				ConflictsWith: []string{"interconnect_attachment", "vpn_tunnel"},
-				Description:   `The URI of the subnetwork resource that this interface belongs to, which must be in the same region as the Cloud Router.`,
+				AtLeastOneOf:     []string{"vpn_tunnel", "interconnect_attachment", "subnetwork"},
+				ConflictsWith:    []string{"interconnect_attachment", "vpn_tunnel"},
+				Description:      `The URI of the subnetwork resource that this interface belongs to, which must be in the same region as the Cloud Router.`,
 			},
 			"project": {
 				Type:        schema.TypeString,