Resolve use of plain "endl" for Qt 6

Author: hartwork

src/CommandLineParser.cpp

@@ -335,10 +335,10 @@ void CommandLineParser::usage(const QString &name, const QString &argumentDescri
         cout << " [OPTION]";
     if (! argumentDescription.isEmpty())
         cout << " " << argumentDescription;
-    cout << endl << endl;
+    cout << Qt::endl << Qt::endl;
 
     if (d->definitions.count() > 0)
-        cout << "Options:" << endl;
+        cout << "Options:" << Qt::endl;
     int commandLength = 0;
     foreach (Private::OptionDefinition definition, d->definitions)
         commandLength = qMax(definition.name.length(), commandLength);
@@ -352,7 +352,7 @@ void CommandLineParser::usage(const QString &name, const QString &argumentDescri
         cout << definition.name;
         for (int i = definition.name.length(); i <= commandLength; i++)
             cout << ' ';
-         cout << definition.comment <<endl;
+         cout << definition.comment << Qt::endl;
     }
 }
 

src/main.cpp

@@ -184,7 +184,7 @@ int main(int argc, char **argv)
         foreach (QString option, args->undefinedOptions()) {
             if (!first)
                 out << "          : ";
-            out << "unrecognized option or missing argument for; `" << option << "'" << endl;
+            out << "unrecognized option or missing argument for; `" << option << "'" << Qt::endl;
             first = false;
         }
         return 10;

src/repository.cpp

@@ -737,7 +737,7 @@ Repository::Transaction *FastImportRepository::newTransaction(const QString &bra
                                                               int revnum)
 {
     if (!branchExists(branch)) {
-        qWarning() << "WARN: Transaction:" << branch << "is not a known branch in repository" << name << endl
+        qWarning() << "WARN: Transaction:" << branch << "is not a known branch in repository" << name << Qt::endl
                    << "Going to create it automatically";
     }