Method does not need to be public

Author: garydgregory

src/main/java/org/apache/commons/imaging/bytesource/InputStreamByteSource.java

@@ -40,7 +40,7 @@ private final class Block {
             this.bytes = bytes;
         }
 
-        public Block getNext() throws IOException {
+        Block getNext() throws IOException {
             if (null != next) {
                 return next;
             }