Fixed all the warnings and reverted a change to 86box.c that was not supposed to be committed.

src/qt/qt_platform.cpp

@@ -776,8 +776,8 @@ plat_set_thread_name(void *thread, const char *name)
 
     if (pSetThreadDescription) {
         size_t len = strlen(name) + 1;
-        wchar_t wname[len + 1];
-        mbstowcs(wname, name, len);
+        wchar_t wname[2048];
+        mbstowcs(wname, name, (len >= 1024) ? 1024 : len);
         pSetThreadDescription(thread ? (HANDLE) thread : GetCurrentThread(), wname);
     }
 #else

src/qt/qt_vmmanager_main.cpp

@@ -236,7 +236,6 @@ VMManagerMain::shutdownForceButtonPressed() const
 void
 VMManagerMain::refresh()
 {
-    bool running = selected_sysconfig->process->state() == QProcess::ProcessState::Running;
     const auto current_index = ui->listView->currentIndex();
     emit selectionChanged(current_index, selected_sysconfig->process->state());
 

src/qt/qt_vmmanager_system.cpp

@@ -747,18 +747,20 @@ VMManagerSystem::setupVars() {
     QStringList serialFinal;
     QStringList lptFinal;
     int portIndex = 0;
-    for(const auto &serialNum: serial_enabled) {
-        if (serial_enabled[portIndex]) {
+    while (true) {
+        if (serial_enabled[portIndex])
             serialFinal.append(QString("COM%1").arg(portIndex + 1));
-        }
         ++portIndex;
+        if (portIndex == SERIAL_MAX)
+            break;
     }
     portIndex = 0;
-    for (const auto &lptNum: lpt_enabled) {
-        if (lpt_enabled[portIndex]) {
+    while (true) {
+        if (lpt_enabled[portIndex])
             lptFinal.append(QString("LPT%1").arg(portIndex + 1));
-        }
         ++portIndex;
+        if (portIndex == PARALLEL_MAX)
+            break;
     }
     display_table[Display::Name::Serial]   = serialFinal.empty() ?  tr("None") : serialFinal.join(", ");
     display_table[Display::Name::Parallel] = lptFinal.empty()    ?  tr("None") : lptFinal.join(", ");