Merge r1452128 from trunk:

Remove useless tests.

Turn
   if (*x && apr_isspace(*x))
into
   if (apr_isspace(*x))
Submitted by: jailletc36
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1467980 13f79535-47bb-0310-9956-ffa450edef68