Qt: don't have a too long URL displayed

Close #12851

(cherry picked from commit 9fd4b65f96c86ea8c39fd63a2412386d03060709)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/components/info_panels.cpp

@@ -158,6 +158,7 @@ MetaPanel::MetaPanel( QWidget *parent,
     lblURL = new QLabel;
     lblURL->setOpenExternalLinks( true );
     lblURL->setTextFormat( Qt::RichText );
+    lblURL->setMaximumWidth( 128 );
     metaLayout->addWidget( lblURL, line -1, 7, 1, -1 );
 
     ADD_META( VLC_META_COPYRIGHT, copyright_text, 0,  7 ); line++;