Use Qt::Literals::StringLiterals

src/widgets/fancytabbar.cpp

@@ -37,7 +37,7 @@
 #include "fancytabwidget.h"
 #include "fancytabdata.h"
 
-using namespace Qt::StringLiterals;
+using namespace Qt::Literals::StringLiterals;
 
 namespace {
 constexpr int TabSize_LargeSidebarMinWidth = 70;

src/widgets/fancytabwidget.cpp

@@ -49,7 +49,7 @@
 #include "settings/appearancesettingspage.h"
 
 using namespace std::chrono_literals;
-using namespace Qt::StringLiterals;
+using namespace Qt::Literals::StringLiterals;
 
 namespace {
 constexpr int IconSize_LargeSidebar = 40;

src/widgets/multiloadingindicator.cpp

@@ -34,7 +34,7 @@
 #include "multiloadingindicator.h"
 #include "widgets/busyindicator.h"
 
-using namespace Qt::StringLiterals;
+using namespace Qt::Literals::StringLiterals;
 
 namespace {
 constexpr int kVerticalPadding = 4;

src/widgets/playingwidget.cpp

@@ -45,7 +45,7 @@
 #include "covermanager/albumcoverchoicecontroller.h"
 #include "playingwidget.h"
 
-using namespace Qt::StringLiterals;
+using namespace Qt::Literals::StringLiterals;
 using std::make_unique;
 
 namespace {