remove unnecessary whitespace

Change-Id: Ia9c9accf3c5509393c3e09692b6a7eae756907f9
diff --git a/formula/source/ui/dlg/structpg.hxx b/formula/source/ui/dlg/structpg.hxx
index e88ec26..db53c6c 100644
--- a/formula/source/ui/dlg/structpg.hxx
+++ b/formula/source/ui/dlg/structpg.hxx
@@ -35,7 +35,7 @@ namespace formula
{

class IFormulaToken;
class   StructListBox : public SvTreeListBox
class StructListBox : public SvTreeListBox
{
private: