Automated g4 rollback of changelist 25024,
plus significant hand editing.

Back to T{x} for composite literals.

R=r
OCL=25612
CL=25632
diff --git a/src/lib/io/io.go b/src/lib/io/io.go
index 0325912..e5f02eb 100644
--- a/src/lib/io/io.go
+++ b/src/lib/io/io.go
@@ -91,7 +91,7 @@
 		// already a fullRead
 		return r
 	}
-	return &fullRead(r)
+	return &fullRead{r}
 }
 
 // Copies n bytes (or until EOF is reached) from src to dst.