Attempt to build docs on Travis
diff --git a/src/macros.rs b/src/macros.rs
index 0c58de5..bb5d9ee 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -40,8 +40,8 @@
             #[repr(C)]
             pub struct $i { $($field)* }
         }
-        impl Copy for $i {}
-        impl Clone for $i {
+        impl ::dox::Copy for $i {}
+        impl ::dox::Clone for $i {
             fn clone(&self) -> $i { *self }
         }
     )*)