Merge r1881379, r1892422, r1893011, r1897270, r1897271 from trunk

Merge r1881379, r1892422, r1893011, r1897270, r1897271 from trunk

Easy patches: synch 2.4.x and trunk
   - mod_ssl: Fix a few warnings on 64 bits windows compilation
   - ap_escape_quotes(): Remove unneeded checks to improve performance
   - test/time-sem.c: unlock the accept mutex before exiting (error conditions)
   - mod_ext_filter: Fix a spurious -1 used as a APR_SIZE_T_FMT in an error message
   - mod_sed: fix some format string (s/lld/APR_INT64_T_FMT/)

Submitted by: jailletc36, rpluem, ylavic, jailletc36, jailletc36
Reviewed by: jailletc36, icing, rpluem
Backported by: jailletc36

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1898391 13f79535-47bb-0310-9956-ffa450edef68