use KGameClock::FlexibleHourMinSec to show hour when needed

CMakeLists.txt

@@ -46,7 +46,7 @@ set_package_properties(KF5DocTools PROPERTIES DESCRIPTION
     TYPE OPTIONAL
 )
 
-find_package(KF5KDEGames 7.3.0 REQUIRED)
+find_package(KF5KDEGames 7.3.1 REQUIRED)
 
 add_definitions(
     -DQT_DISABLE_DEPRECATED_BEFORE=0x050F00

src/mainwindow.cpp

@@ -95,7 +95,7 @@ KMinesMainWindow::KMinesMainWindow()
                                 QGraphicsView::DontAdjustForAntialiasing );
 
 
-    m_gameClock = new KGameClock(this, KGameClock::MinSecOnly);
+    m_gameClock = new KGameClock(this, KGameClock::FlexibleHourMinSec);
     connect(m_gameClock, &KGameClock::timeChanged, this, &KMinesMainWindow::advanceTime);
 
     mineLabel->setText(i18n("Mines: 0/0"));