DeviceUISet: fixed deleteChannel. Fixes issue #625

sdrgui/device/deviceuiset.cpp

@@ -171,7 +171,6 @@ void DeviceUISet::deleteChannel(int channelIndex)
                 qPrintable(m_channelInstanceRegistrations[channelIndex].m_channelName),
                 channelIndex);
         m_channelInstanceRegistrations[channelIndex].m_gui->destroy();
-        m_channelInstanceRegistrations.removeAt(channelIndex);
         renameChannelInstances();
     }
 }

sdrgui/webapi/webapiadaptergui.cpp

@@ -2174,9 +2174,9 @@ int WebAPIAdapterGUI::devicesetChannelDelete(
         else
         {
             error.init();
-            *error.getMessage() = QString("There is no channel at index %1. There are %2 channels")
+            *error.getMessage() = QString("There is no channel at index %1. %2 channel(s) left")
                     .arg(channelIndex)
-                    .arg(channelIndex < deviceSet->getNumberOfChannels());
+                    .arg(deviceSet->getNumberOfChannels());
             return 400;
         }
     }