startcenter: Thin line around the Help and Extensios buttons.

Change-Id: Id9433a32a9787673fbb266d6465f0bd89f919a40

sfx2/source/dialog/backingwindow.cxx

@@ -90,9 +90,12 @@ BackingWindow::BackingWindow( Window* i_pParent ) :
     get(mpExtensionsButton, "extensions");
 
     get(mpAllButtonsBox, "all_buttons_box");
-    get(mpPictureBox, "picture_box");
     get(mpButtonsBox, "buttons_box");
     get(mpSmallButtonsBox, "small_buttons_box");
+    get(mpThinBox1, "thin_box1");
+    get(mpThinBox2, "thin_box2");
+    get(mpHelpBox, "help_box");
+    get(mpExtensionsBox, "extensions_box");
 
     get(mpAllRecentThumbnails, "all_recent");
 
@@ -232,9 +235,13 @@ void BackingWindow::initControls()
     mpExtensionsButton->SetControlForeground(aButtonsText);
 
     mpAllButtonsBox->SetBackground(aButtonsBackground);
-    mpPictureBox->SetBackground(aButtonsBackground);
     mpButtonsBox->SetBackground(aButtonsBackground);
     mpSmallButtonsBox->SetBackground(aButtonsBackground);
+    mpHelpBox->SetBackground(aButtonsBackground);
+    mpExtensionsBox->SetBackground(aButtonsBackground);
+
+    mpThinBox1->SetBackground(aButtonsText);
+    mpThinBox2->SetBackground(aButtonsText);
 
     Resize();
 }

sfx2/source/dialog/backingwindow.hxx

@@ -70,9 +70,12 @@ class BackingWindow
     PushButton*                     mpExtensionsButton;
 
     VclBox*                         mpAllButtonsBox;
-    VclBox*                         mpPictureBox;
     VclBox*                         mpButtonsBox;
     VclBox*                         mpSmallButtonsBox;
+    VclBox*                         mpThinBox1;
+    VclBox*                         mpThinBox2;
+    VclBox*                         mpHelpBox;
+    VclBox*                         mpExtensionsBox;
 
     RecentDocsView*                 mpAllRecentThumbnails;