Fix typo

Change-Id: I38249b6ceeea7d59a23a6a4b841877724a343b78
Reviewed-on: https://gerrit.libreoffice.org/72390
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

sc/source/ui/vba/excelvbahelper.hxx

@@ -80,7 +80,7 @@ public:
     static SfxItemSet* GetDataSet( ScCellRangesBase* pRangeObj );
 };
 
-// Extracts a implementation object ( via XUnoTunnel ) from a uno object.
+// Extracts an implementation object (via XUnoTunnel) from a UNO object.
 // Will throw if unsuccessful.
 /// @throws css::uno::RuntimeException
 template < typename ImplObject >