minor, check for handshake functions in twsapi

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, import sxe-twsapi.m4 with SXE_CHECK_TWSAPI and SXE_CHECK_TWSAPI_HANDSHAKE

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, use macros from sxe-twsapi.m4 to check for twsapi with handshake functionality

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'bld/prereq' into next

* bld/prereq:
  chore, use macros from sxe-twsapi.m4 to check for twsapi with handshake functionality
  minor, import sxe-twsapi.m4 with SXE_CHECK_TWSAPI and SXE_CHECK_TWSAPI_HANDSHAKE
  minor, check for handshake functions in twsapi