Fix BP4Base::ResizeBuffer() to use vector size() not capacity() just like as it was fixed in BP3Base already
Fix BP4Base::ResizeBuffer() to use vector size() not capacity() just like as it was fixed in BP3Base already

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