MET-6076 added parentheses to make the operator precedence explicit (…

…sonar).

metis-harvesting/src/main/java/eu/europeana/metis/harvesting/oaipmh/CloseableHttpOaiClient.java

@@ -158,7 +158,7 @@ public int read(byte[] buffer, int offset, int length) throws IOException {
 
       while (additionallyReadBytes != -1 && readBytes < length) {
         additionallyReadBytes = source.read(buffer, offset + readBytes, length - readBytes);
-        readBytes = additionallyReadBytes != -1 ? readBytes + additionallyReadBytes : readBytes;
+        readBytes = additionallyReadBytes != -1 ? (readBytes + additionallyReadBytes) : readBytes;
       }
       return readBytes;
     }