Fix compilation.

There is no + operator that takes a QByteArray and a QString (or vice
versa).

Change-Id: I8734923cbbb0360bc20f9775d57801803782716f
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/debugger/gdb/gdbengine.cpp

@@ -2581,7 +2581,7 @@ void GdbEngine::handleBreakInsert1(const DebuggerResponse &response, Breakpoint
         const QString fileName = bp.fileName();
         const int lineNumber = bp.lineNumber();
         DebuggerCommand cmd("trace \"" + GdbMi::escapeCString(fileName) + "\":"
-                            + QByteArray::number(lineNumber),
+                            + QString::number(lineNumber),
                             NeedsStop | RebuildBreakpointModel);
         runCommand(cmd);
     } else {
@@ -2822,7 +2822,7 @@ void GdbEngine::changeBreakpoint(Breakpoint bp)
         cmd.function = "condition " + bpnr + ' '  + data.condition;
         cmd.callback = [this, bp](const DebuggerResponse &r) { handleBreakCondition(r, bp); };
     } else if (data.ignoreCount != response.ignoreCount) {
-        cmd.function = "ignore " + bpnr + ' ' + QByteArray::number(data.ignoreCount);
+        cmd.function = "ignore " + bpnr + ' ' + QString::number(data.ignoreCount);
         cmd.callback = [this, bp](const DebuggerResponse &r) { handleBreakIgnore(r, bp); };
     } else if (!data.enabled && response.enabled) {
         cmd.function = "-break-disable " + bpnr;

src/plugins/debugger/lldb/lldbengine.cpp

@@ -123,7 +123,7 @@ void LldbEngine::runCommand(const DebuggerCommand &cmd)
     const int tok = ++currentToken();
     DebuggerCommand command = cmd;
     command.arg("token", tok);
-    QByteArray token = QByteArray::number(tok);
+    QString token = QString::number(tok);
     QString function = command.function + "(" + command.argsToPython() + ")";
     showMessage(token + function + '\n', LogInput);
     m_commandForToken[currentToken()] = command;

src/plugins/debugger/qml/qmlinspectoragent.cpp

@@ -391,7 +391,7 @@ void QmlInspectorAgent::onValueChanged(int debugId, const QByteArray &propertyNa
                                        const QVariant &value)
 {
     const QString iname = m_debugIdToIname.value(debugId) +
-            ".[properties]." + propertyName;
+            ".[properties]." + QString::fromLatin1(propertyName);
     WatchHandler *watchHandler = m_qmlEngine->watchHandler();
     qCDebug(qmlInspectorLog)
             << __FUNCTION__ << '(' << debugId << ')' << iname

src/plugins/debugger/watchdata.cpp

@@ -631,7 +631,7 @@ QString WatchItem::internalName() const
 {
     if (arrayIndex >= 0) {
         if (const WatchItem *p = parentItem())
-            return p->iname + '.' + QByteArray::number(arrayIndex);
+            return p->iname + '.' + QString::number(arrayIndex);
     }
     return iname;
 }