Add @SuppressWarnings("resource")

Author: garydgregory

src/main/java/org/apache/commons/io/input/buffer/CircularBufferInputStream.java

@@ -56,6 +56,7 @@ public CircularBufferInputStream(final InputStream inputStream) {
      * @param inputStream The input stream, which is being buffered.
      * @param bufferSize The size of the {@link CircularByteBuffer}, which is used internally.
      */
+    @SuppressWarnings("resource") // Caller closes InputStream
     public CircularBufferInputStream(final InputStream inputStream, final int bufferSize) {
         super(Objects.requireNonNull(inputStream, "inputStream"));
         if (bufferSize <= 0) {