[powermax] Fix handling of InterruptedException (Thread.sleep) (openh…

…ab#10463)

Signed-off-by: Laurent Garnier <lg.hc@free.fr>
Signed-off-by: John Marshall <john.marshall.au@gmail.com>

bundles/org.openhab.binding.powermax/src/main/java/org/openhab/binding/powermax/internal/connector/PowermaxSerialConnector.java

@@ -116,6 +116,7 @@ public void serialEvent(SerialPortEvent serialPortEvent) {
             logger.trace("RXTX library CPU load workaround, sleep forever");
             Thread.sleep(Long.MAX_VALUE);
         } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
         }
     }
 }