Merge branch 'pull-request/2163'

* pull-request/2163:
  import explicit_bzero + strlc* functions update since 1999 algorithms have changed and register k/w not necessary anymore.

diff --cc Zend/zend_portability.h
Simple merge

diff --cc configure.in
Simple merge

diff --cc ext/standard/crypt.c
Simple merge

diff --cc main/php.h
Simple merge