Avoid crashing on Windows

Author: xusheng6

ui/debugserversetting.cpp

@@ -37,7 +37,7 @@ DebugServerSettingsDialog::DebugServerSettingsDialog(QWidget* parent, DebuggerCo
 
     m_platformEntry = new QComboBox(this);
     auto platformsMetaData = m_controller->GetAdapterProperty("platforms");
-    if (platformsMetaData->IsStringList())
+    if (platformsMetaData && platformsMetaData->IsStringList())
     {
         auto platforms = platformsMetaData->GetStringList();
         for (const auto& platform: platforms)

ui/remoteprocess.cpp

@@ -37,7 +37,7 @@ RemoteProcessSettingsDialog::RemoteProcessSettingsDialog(QWidget* parent, Debugg
 
     m_pluginEntry = new QComboBox(this);
     auto pluginsMetadata = m_controller->GetAdapterProperty("process_plugins");
-    if (pluginsMetadata->IsStringList())
+    if (pluginsMetadata && pluginsMetadata->IsStringList())
     {
         auto plugins = pluginsMetadata->GetStringList();
         for (const auto& plugin: plugins)