Qt: Add a missing include of QHeaderView

In older Qt versions, this header was implicitly included by headers generated by uic, but it no longer is included implicitly. Explicitly include the headers we are relying.
8 years ago · f3a801cc0e
1 changed files with 1 additions and 0 deletions
--- a/modules/gui/qt/components/simple_preferences.cpp
+++ b/modules/gui/qt/components/simple_preferences.cpp
@ -40,6 +40,7 @@
 #include <QSignalMapper>
 #include <QVBoxLayout>
 #include <QScrollArea>
+#include <QHeaderView>

 #include <QStyleFactory>
 #include <QSettings>