Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to a39f8b79fdf35370c8ee83c4ee92549feaf63d3e
  - check that a la carte is not null
    
    Handle the case of absent aLaCarte and usePreload settings
    
    Change-Id: Ic3413515218013870ddce97ec225edaa6b6e99c3
    Issue-ID: SO-1571
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>
    
1 file changed