Update CHANGES:

- Building modules as DSOs and the "most" module set by default.
  r952007, r952008, r952009
- Fixing VPATH build when using included APR.
  r951769, r951769
- Fixing mod_session_crypto build for APR 2 and VPATH
  r951766
- Fixing mod_session_crypto API incompatibility with APR 2
  r951870

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@952143 13f79535-47bb-0310-9956-ffa450edef68