[users] Refactor retranslation

- move retranslation to a method so that code-formatting doesn't
   get confused by it.

src/modules/users/UsersPage.cpp

@@ -107,32 +107,35 @@ UsersPage::UsersPage( QWidget* parent )
     setWriteRootPassword( true );
     ui->checkBoxReusePassword->setChecked( true );
     ui->checkBoxValidatePassword->setChecked( true );
-    
+
     setPasswordCheckboxVisible( false );
 
-    CALAMARES_RETRANSLATE(
-        ui->retranslateUi( this ); 
-        if ( Calamares::Settings::instance()->isSetupMode() ) 
-        {
-            ui->textBoxUsername->setToolTip( tr( "<small>If more than one person will "
-                                                     "use this computer, you can create multiple "
-                                                     "accounts after setup.</small>" ) );
-        } 
-        else 
-        {
-            ui->textBoxUsername->setToolTip( tr( "<small>If more than one person will "
-                                                     "use this computer, you can create multiple "
-                                                     "accounts after installation.</small>" ) );
-        } 
-    )
+    CALAMARES_RETRANSLATE_SLOT( &UsersPage::retranslate );
 }
 
-
 UsersPage::~UsersPage()
 {
     delete ui;
 }
 
+void
+UsersPage::retranslate()
+{
+    ui->retranslateUi( this );
+    if ( Calamares::Settings::instance()->isSetupMode() )
+    {
+        ui->textBoxUsername->setToolTip( tr( "<small>If more than one person will "
+                                             "use this computer, you can create multiple "
+                                             "accounts after setup.</small>" ) );
+    }
+    else
+    {
+        ui->textBoxUsername->setToolTip( tr( "<small>If more than one person will "
+                                             "use this computer, you can create multiple "
+                                             "accounts after installation.</small>" ) );
+    }
+}
+
 
 bool
 UsersPage::isReady()

src/modules/users/UsersPage.h

@@ -85,6 +85,8 @@ private:
      */
     bool checkPasswordAcceptance( const QString& pw1, const QString& pw2, QLabel* badge, QLabel* message );
 
+    void retranslate();
+
     Ui::Page_UserSetup* ui;
 
     PasswordCheckList m_passwordChecks;