Missing break statement bug fix (#15515)

Signed-off-by: Matt Myers <mmyers75@icloud.com>

bundles/org.openhab.binding.haywardomnilogic/src/main/java/org/openhab/binding/haywardomnilogic/internal/handler/HaywardPumpHandler.java

@@ -213,6 +213,7 @@ public class HaywardPumpHandler extends HaywardThingHandler {
                                     cmdString = pumpMaxSpeed;
                                 }
                             }
+                            break;
                         case HaywardBindingConstants.CHANNEL_PUMP_SPEEDRPM:
                             // Convert cmdString from RPM to Percent
                             if (pumpMaxRpm != null && pumpMaxSpeed != null && pumpMinSpeed != null) {