Fixed issue with include cycle on gcc with 'bslalg_swaputil' including 'algorithm', which in turn includes 'bslstl_vector', which in turn includes 'bslalg_swaputil'.
Fixed issue with include cycle on gcc with 'bslalg_swaputil'
including 'algorithm', which in turn includes 'bslstl_vector',
which in turn includes 'bslalg_swaputil'.

bloomberg/bde,bloomberg/bde,bloomberg/bde,bloomberg/bde,che2/bde,che2/bde,bloomberg/bde,che2/bde,che2/bde