Add @SuppressWarnings.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1737901 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/main/java/org/apache/commons/io/output/DemuxOutputStream.java

@@ -62,6 +62,7 @@ public void close() throws IOException {
      */
     @Override
     public void flush() throws IOException {
+        @SuppressWarnings("resource")
         final OutputStream output = outputStreamThreadLocal.get();
         if (null != output) {
             output.flush();
@@ -78,6 +79,7 @@ public void flush() throws IOException {
      */
     @Override
     public void write(final int ch) throws IOException {
+        @SuppressWarnings("resource")
         final OutputStream output = outputStreamThreadLocal.get();
         if (null != output) {
             output.write(ch);