Fix autoport issue.

pavel-alay · itext-teamcity · commit 8861c7cc7378 · 2017-07-06T14:05:01.000+03:00
DEVSIX-1398

Autoported commit.
Original commit hash: [e5b518c49]
diff --git a/itext.tests/itext.layout.tests/itext/layout/renderer/EmptyNestedTableTest.cs b/itext.tests/itext.layout.tests/itext/layout/renderer/EmptyNestedTableTest.cs
@@ -1,5 +1,4 @@
 using System;
-using System.IO;
 using iText.Kernel.Pdf;
 using iText.Kernel.Utils;
 using iText.Layout;
diff --git a/port-hash b/port-hash
@@ -1 +1 @@
-c2a4c949802ade6741f9749b1d8c10c3b9b8cd32
+e5b518c49a5f1c61ccdad8a2fc2527dc1054808f
