Use QLatin1Char when possible

src/actions/qskypedialer.cpp

@@ -149,7 +149,7 @@ bool QSkypeDialer::sendSms(const QString &number, const QString &text)
 
     // First we create a new SMS object that gets an ID. We need that ID later...
     QDBusReply<QString> reply = mInterface->call(QStringLiteral("Invoke"), QStringLiteral("CREATE SMS OUTGOING %1").arg(number));
-    const QString messageId = reply.value().section(QStringLiteral(" "), 1, 1);
+    const QString messageId = reply.value().section(QLatin1Char(' '), 1, 1);
 
     // Set the SMS text
     reply = mInterface->call(QStringLiteral("Invoke"), QStringLiteral("SET SMS %1 BODY %2").arg(messageId, text));

src/contactstreemodel.cpp

@@ -135,13 +135,13 @@ QVariant ContactsTreeModel::entityData(const Item &item, int column, int role) c
                     values += number.number();
                 }
 
-                return values.join(QStringLiteral("\n"));
+                return values.join(QLatin1Char('\n'));
                 break;
             }
             case PreferredEmail:
                 return contact.preferredEmail();
             case AllEmails:
-                return contact.emails().join(QStringLiteral("\n"));
+                return contact.emails().join(QLatin1Char('\n'));
             case Organization:
                 return contact.organization();
             case Role:

src/emailaddressrequester.cpp

@@ -70,7 +70,7 @@ void EmailAddressRequester::Private::slotAddressBook()
         }
     }
 
-    mLineEdit->setText(text + addressList.join(QStringLiteral(",")));
+    mLineEdit->setText(text + addressList.join(QLatin1Char(',')));
 }
 
 EmailAddressRequester::EmailAddressRequester(QWidget *parent)

src/standardcontactformatter.cpp

@@ -123,7 +123,7 @@ QString StandardContactFormatter::toHtml(HtmlForm form) const
     int counter = 0;
     foreach (const KContacts::PhoneNumber &number, rawContact.phoneNumbers()) {
 
-        QString dispLabel = number.typeLabel().replace(QStringLiteral(" "), QStringLiteral(" "));
+        QString dispLabel = number.typeLabel().replace(QLatin1Char(' '), QStringLiteral(" "));
         QString dispValue = QStringLiteral("<a href=\"phone:?index=%1\">%2</a>").arg(counter).arg(number.number().toHtmlEscaped());
         if (number.type() & KContacts::PhoneNumber::Cell) {
             QString dispIcon = QStringLiteral("<a href=\"sms:?index=%1\" title=\"%2\"><img src=\"sms_icon\" align=\"top\"/>")