Hide borders from status bar items under Windows

These aren't required and just clutter the interface.

src/app/composer/qgscomposer.cpp

@@ -455,6 +455,9 @@ QgsComposer::QgsComposer( QgisApp *qgis, const QString& title )
   mStatusCompositionLabel->setMinimumWidth( 350 );
   mStatusAtlasLabel = new QLabel( mStatusBar );
 
+  //hide borders from child items in status bar under Windows
+  mStatusBar->setStyleSheet( "QStatusBar::item {border: none;}" );
+
   mStatusBar->addWidget( mStatusCursorXLabel );
   mStatusBar->addWidget( mStatusCursorYLabel );
   mStatusBar->addWidget( mStatusCursorPageLabel );

src/app/qgisapp.cpp

@@ -1668,10 +1668,11 @@ void QgisApp::createToolBars()
 
 void QgisApp::createStatusBar()
 {
-  //
+  //remove borders from children under Windows
+  statusBar()->setStyleSheet( "QStatusBar::item {border: none;}" );
+
   // Add a panel to the status bar for the scale, coords and progress
   // And also rendering suppression checkbox
-  //
   mProgressBar = new QProgressBar( statusBar() );
   mProgressBar->setObjectName( "mProgressBar" );
   mProgressBar->setMaximumWidth( 100 );