Fix compiler warnings

plugins/channelrx/demodadsb/adsbdemodgui.cpp

@@ -957,7 +957,7 @@ void ADSBDemodGUI::handleADSB(
                 }
                 else
                 {
-                    qDebug() << "ADSBDemodGUI::handleADSB: Invalid latitude " << latitude << " for " << hex << aircraft->m_icao
+                    qDebug() << "ADSBDemodGUI::handleADSB: Invalid latitude " << latitude << " for " << Qt::hex << aircraft->m_icao
                         << " m_cprLat[0] " << aircraft->m_cprLat[0]
                         << " m_cprLat[1] " << aircraft->m_cprLat[1];
                     aircraft->m_cprValid[0] = false;

plugins/channelrx/demodadsb/osndb.h

@@ -70,7 +70,6 @@ struct AircraftInformation {
         if ((file = fopen(utfFilename.constData(), "r")) != NULL)
         {
             char row[2048];
-            int idx;
 
             if (fgets(row, sizeof(row), file))
             {

plugins/channelrx/demodadsb/ourairportsdb.h

@@ -82,7 +82,6 @@ struct AirportInformation {
         if ((file = fopen(utfFilename.constData(), "r")) != NULL)
         {
             char row[2048];
-            int idx;
 
             if (fgets(row, sizeof(row), file))
             {