typo fixed

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6252 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/grid.cpp

@@ -4120,6 +4120,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
             if ( dragCol >= 0 )
             {
                 m_dragRowOrCol = dragCol;
+            }
 
             return;
         }