--- vlc-3.0.2/modules/gui/qt/components/simple_preferences.hpp.orig	2018-05-25 17:09:01.549999242 +0300
+++ vlc-3.0.2/modules/gui/qt/components/simple_preferences.hpp	2018-05-25 17:09:04.293975616 +0300
@@ -42,6 +42,7 @@
 #endif
 
 #include <QWidget>
+#include <QButtonGroup>
 
 enum {
     SPrefsInterface = 0,
--- vlc-3.0.2/modules/gui/qt/dialogs/convert.cpp.orig	2018-05-25 17:10:11.324398477 +0300
+++ vlc-3.0.2/modules/gui/qt/dialogs/convert.cpp	2018-05-25 17:10:17.898341875 +0300
@@ -36,6 +36,7 @@
 #include <QDialogButtonBox>
 #include <QFileDialog>
 #include <QCheckBox>
+#include <QButtonGroup>
 
 #define urlToDisplayString(filestr) toNativeSeparators(QUrl(filestr).toDisplayString(\
     QUrl::RemovePassword | QUrl::PreferLocalFile | QUrl::NormalizePathSegments ))