Log Message:
Changes 3.4.1:
* Bug 3589: intercepted and ICAP modified request using a cache_peer
* OpenBSD portability fix in DiskThreads
* Bug 3935: Invalid pointer dereference when peeking at origin server certificate
* Destroy ACLs in the reverse order of creation to avoid destruction segfaults
* Portability: sleep() is sometimes a macro
* Windows: fix compile errors in WinSvc.cc
* Portability: std::string:npos is not always appropriate for String::npos
* Portability: refresh_pattern requires regex
* librfcnb: portability fixes