Simplify includes - we always (in HTTPD 2.1 forward) are looking
  for the openssl/foo.h headers explicitly.  Fix the abs.dsp build
  to define HAVE_OPENSSL instead of USE_SSL so the correct headers
  are included upfront.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk/modules/ssl@101195 13f79535-47bb-0310-9956-ffa450edef68