Remove whitespaces

src/settings/backendsettingspage.h

@@ -47,7 +47,7 @@ class BackendSettingsPage : public SettingsPage {
 public:
   BackendSettingsPage(SettingsDialog *dialog);
   ~BackendSettingsPage();
-  
+
   static const char *kSettingsGroup;
 
   void Load();

src/settings/behavioursettingspage.cpp

@@ -101,7 +101,7 @@ void BehaviourSettingsPage::Load() {
 }
 
 void BehaviourSettingsPage::Save() {
-  
+
   QSettings s;
 
   MainWindow::StartupBehaviour behaviour = MainWindow::Startup_Remember;
@@ -120,7 +120,7 @@ void BehaviourSettingsPage::Save() {
 }
 
 void BehaviourSettingsPage::ShowTrayIconToggled(bool on) {
- 
+
   ui_->radiobutton_alwayshide->setEnabled(on);
   if (!on && ui_->radiobutton_alwayshide->isChecked()) ui_->radiobutton_remember->setChecked(true);
   ui_->checkbox_keeprunning->setEnabled(on);

src/settings/playlistsettingspage.cpp

@@ -40,7 +40,7 @@ class SettingsDialog;
 const char *PlaylistSettingsPage::kSettingsGroup = "Playlist";
 
 PlaylistSettingsPage::PlaylistSettingsPage(SettingsDialog* dialog) : SettingsPage(dialog), ui_(new Ui_PlaylistSettingsPage) {
-  
+
   ui_->setupUi(this);
   setWindowIcon(IconLoader::Load("document-new"));
 
@@ -91,13 +91,13 @@ void PlaylistSettingsPage::Load() {
   ui_->checkbox_warncloseplaylist->setChecked(s.value("warn_close_playlist", true).toBool());
   ui_->checkbox_editmetadatainline->setChecked(s.value("editmetadatainline", false).toBool());
   ui_->checkbox_writemetadata->setChecked(s.value(Playlist::kWriteMetadata, false).toBool());
-  
+
   s.endGroup();
-  
+
 }
 
 void PlaylistSettingsPage::Save() {
-  
+
   QSettings s;
 
   MainWindow::AddBehaviour doubleclick_addmode = MainWindow::AddBehaviour(ui_->combobox_doubleclickaddmode->itemData(ui_->combobox_doubleclickaddmode->currentIndex()).toInt());

src/settings/shortcutssettingspage.cpp

@@ -178,7 +178,7 @@ void GlobalShortcutsSettingsPage::DefaultClicked() {
 }
 
 void GlobalShortcutsSettingsPage::ChangeClicked() {
-  
+
   GlobalShortcuts *manager = dialog()->global_shortcuts_manager();
   manager->Unregister();
   QKeySequence key = grabber_->GetKey(shortcuts_[current_id_].s.action->text());
@@ -197,7 +197,7 @@ void GlobalShortcutsSettingsPage::ChangeClicked() {
 }
 
 void GlobalShortcutsSettingsPage::OpenGnomeKeybindingProperties() {
-  
+
   if (!QProcess::startDetached("gnome-keybinding-properties")) {
     if (!QProcess::startDetached("gnome-control-center", QStringList() << "keyboard")) {
       QMessageBox::warning(this, "Error",