Add EncodingTester @SuppressWarnings("resource")

Author: sideshowbarker

test-src/nu/validator/htmlparser/test/EncodingTester.java

@@ -63,6 +63,7 @@ private void runTests() throws IOException, SAXException {
         }
     }
 
+    @SuppressWarnings("resource")
     private boolean runTest() throws IOException, SAXException {
         if (skipLabel()) {
             return false;