cmake DUNE_SYS_HAS_LIBSWIFTNAV_SBP_H examples

LSTS/dune cmake/Libraries/Swiftnav.cmake :36 

else( DUNE_SYS_HAS_LIB_SWIFTNAV_STATIC AND DUNE_SYS_HAS_LIBSWIFTNAV_SBP_H)

LSTS/dune cmake/Libraries/Swiftnav.cmake :39 

endif( DUNE_SYS_HAS_LIB_SWIFTNAV_STATIC AND DUNE_SYS_HAS_LIBSWIFTNAV_SBP_H)