Add /D PCRE_STATIC to solve an 'exported symbol imported' bug.
  We build pcre static, and do not intent to export pcre_* namespace,
  but rather our ap_pcre_* wrappers.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@157949 13f79535-47bb-0310-9956-ffa450edef68