cmake: Fix sst object lib dependency propagation with CMake < 3.14
cmake: Fix sst object lib dependency propagation with CMake < 3.14

CMake < 3.14 forget to propagate private dependencies of object
libraries.  Propagate them the same way CMake >= 3.14 do.

ornladios/ADIOS2,ornladios/ADIOS2,JasonRuonanWang/ADIOS2,JasonRuonanWang/ADIOS2,ornladios/ADIOS2,ornladios/ADIOS2,JasonRuonanWang/ADIOS2,JasonRuonanWang/ADIOS2,JasonRuonanWang/ADIOS2,ornladios/ADIOS2