Add @SuppressWarnings

Author: garydgregory

src/main/java/org/apache/commons/io/IOUtils.java

@@ -2669,6 +2669,7 @@ public static byte[] toByteArray(final InputStream inputStream) throws IOExcepti
      * @throws IllegalArgumentException if {@code size} is less than zero.
      * @since 2.1
      */
+    @SuppressWarnings("resource")
     public static byte[] toByteArray(final InputStream input, final int size) throws IOException {
         if (size == 0) {
             return EMPTY_BYTE_ARRAY;