Add layout for Fedora.

--- httpd-2.4.3/config.layout.layout

+++ httpd-2.4.3/config.layout

@@ -370,3 +370,27 @@

     logfiledir:      ${localstatedir}/log/httpd

     proxycachedir:   ${localstatedir}/cache/httpd

 </Layout>

+

+# Fedora/RHEL layout

+<Layout Fedora>

+    prefix:        /usr

+    exec_prefix:   ${prefix}

+    bindir:        ${prefix}/bin

+    sbindir:       ${prefix}/sbin

+    libdir:        ${prefix}/lib

+    libexecdir:    ${prefix}/libexec

+    mandir:        ${prefix}/man

+    sysconfdir:    /etc/httpd/conf

+    datadir:       ${prefix}/share/httpd

+    installbuilddir: ${libdir}/httpd/build

+    errordir:      ${datadir}/error

+    iconsdir:      ${datadir}/icons

+    htdocsdir:     /var/www/html

+    manualdir:     ${datadir}/manual

+    cgidir:        /var/www/cgi-bin

+    includedir:    ${prefix}/include/httpd

+    localstatedir: /var

+    runtimedir:    /run/httpd

+    logfiledir:    ${localstatedir}/log/httpd

+    proxycachedir: ${localstatedir}/cache/httpd/proxy

+</Layout>