QGridLayout does not align comboboxes baselines correctly in Mac style.

#include <QApplication>
#include <QFont>
#include <QGridLayout>
#include <QLabel>
#include <QLatin1String>
#include <QLineEdit>
#include <QComboBox>

int main(int argc, char ** argv)
{
    QApplication app(argc,argv);
    QWidget *     window = new QWidget();
    QGridLayout * grid   = new QGridLayout(window);
    grid->setHorizontalSpacing(0);
    QLabel *fileLabel = new QLabel ("bug part one ___");
    QStringList list ;
    list << "___ value 1" << "___ value 2" << "___ value 3" << "___ value 4";
    QComboBox *fileComboBox;
    fileComboBox = new QComboBox;
    fileComboBox->addItems(list);
    QGridLayout *mainLayout = new QGridLayout;
    grid->addWidget(fileLabel, 0, 0,1,1,Qt::AlignLeft | Qt::AlignVCenter);
    grid->addWidget(fileComboBox, 0, 1,1,1,Qt::AlignRight | Qt::AlignVCenter);
    window->show();

    return app.exec();
}

diff --git a/src/gui/styles/qmacstyle_mac.mm b/src/gui/styles/qmacstyle_mac.mm
index ee106eb..273a7d5 100644
--- a/src/gui/styles/qmacstyle_mac.mm
+++ b/src/gui/styles/qmacstyle_mac.mm
@@ -4601,7 +4601,7 @@ QRect QMacStyle::subElementRect(SubElement sr, const QStyleOption *opt,
         } else {
             rect = opt->rect;
             if (controlSize == QAquaSizeLarge) {
-                rect.adjust(+3, +2, -3, -4);
+                rect.adjust(+3, +5, -3, -4);
             } else if (controlSize == QAquaSizeSmall) {
                 setLayoutItemMargins(+2, +1, -3, -4, &rect, opt->direction);
             } else {