apache2: move pidfile to run

pidile was stored in /var/apache2/log which is saved over boots.
This might prevent startup of apache2 on boots. Move it to /run
where pidfiles in general belong.

meta-webserver/recipes-httpd/apache2/apache2_2.4.4.bb

@@ -68,6 +68,8 @@ do_install_append() {
     # Ensure configuration file pulls in conf.d and modules.d
     printf "\nIncludeOptional ${sysconfdir}/${BPN}/conf.d/*.conf" >> ${D}/${sysconfdir}/${BPN}/httpd.conf
     printf "\nIncludeOptional ${sysconfdir}/${BPN}/modules.d/*.conf\n\n" >> ${D}/${sysconfdir}/${BPN}/httpd.conf
+    # match with that is in init script
+    printf "\nPidFile /run/httpd.pid" >> ${D}/${sysconfdir}/${BPN}/httpd.conf
 }
 
 SYSROOT_PREPROCESS_FUNCS += "apache_sysroot_preprocess"

meta-webserver/recipes-httpd/apache2/files/init

@@ -14,7 +14,7 @@ NAME=apache2
 PATH=/bin:/usr/bin:/sbin:/usr/sbin
 DAEMON=/usr/sbin/httpd
 SUEXEC=/usr/lib/apache/suexec
-PIDFILE=/var/apache2/logs/httpd.pid
+PIDFILE=/run/httpd.pid
 CONF=/etc/apache2/httpd.conf
 APACHECTL=/usr/sbin/apachectl