Reduce padding in often-used structs

Reduce the padding in some often-used structs for 64bit machines.
32bit machines should also profit from most changes, but to a
lesser degree.

Change-Id: Ic4c67b94e962731de4f31164c52a372d78944ccc
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>

src/plugins/texteditor/texteditoroverlay.cpp

@@ -41,9 +41,9 @@ using namespace TextEditor::Internal;
 TextEditorOverlay::TextEditorOverlay(BaseTextEditorWidget *editor) :
     QObject(editor),
     m_visible(false),
+    m_alpha(true),
     m_borderWidth(1),
     m_dropShadowWidth(2),
-    m_alpha(true),
     m_firstSelectionOriginalBegin(-1),
     m_editor(editor),
     m_viewport(editor->viewport())