Fix of r255318: move sf_buf_alloc()/sf_buf_free() out of #ifdef ARM_USE_SMALL_ALLOC.
Fix of r255318: move sf_buf_alloc()/sf_buf_free() out of #ifdef
ARM_USE_SMALL_ALLOC.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase