Import Transport if used in invocation method.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5542 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/tools/InvocationTask.java

@@ -52,6 +52,7 @@ import com.samskivert.util.StringUtil;
 import com.samskivert.velocity.VelocityUtil;
 
 import com.threerings.presents.annotation.TransportHint;
+import com.threerings.presents.net.Transport;
 import com.threerings.presents.client.InvocationService.InvocationListener;
 
 /**
@@ -129,6 +130,11 @@ public abstract class InvocationTask extends Task
 
                 imports.add(args[ii]);
             }
+
+            // import Transport if used
+            if (!StringUtil.isBlank(getTransport())) {
+                imports.add(Transport.class);
+            }
         }
 
         public String getCode ()