Add missing include (qt6)

a2deaf9a · Laurent Montel · abfe498b · a2deaf9a
Commit a2deaf9a authored Dec 26, 2021 by Laurent Montel 😁
--- a/src/mbox_p.h
+++ b/src/mbox_p.h
@@ -10,6 +10,7 @@

 #include <QFile>
 #include <QObject>
+#include <QRegExp>
 #include <QTimer>

 namespace KMBox