Fix build with Qt 6: qstrtod is an inline function

Change-Id: Ib620871532484bcaa43cfffd1628d6bf0f93fd78
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: hjk <hjk@qt.io>

src/libs/qmljs/parser/qmljslexer.cpp

@@ -35,9 +35,7 @@
 #include <QtCore/qdebug.h>
 #include <QtCore/QScopedValueRollback>
 
-QT_BEGIN_NAMESPACE
-Q_CORE_EXPORT double qstrtod(const char *s00, char const **se, bool *ok);
-QT_END_NAMESPACE
+#include <QtCore/private/qlocale_tools_p.h>
 
 QT_QML_BEGIN_NAMESPACE
 

src/libs/qmljs/qmljs-lib.pri

@@ -84,4 +84,4 @@ contains(QT, gui) {
         $$PWD/qmljsreformatter.h
 }
 
-QT += xml
+QT += xml core-private