Set ownership on sessions directory (#5)

build/centos8/fusiondirectory/Dockerfile

@@ -12,5 +12,5 @@ RUN bash ./run-playbook.sh install.yaml &&\
     sed -i 's/:80/:8080/g' /etc/nginx/nginx.conf ;\
     sed -i 's/user *nginx/user fusioniam/g' /etc/nginx/nginx.conf ;\
     sed -i 's@fastcgi_pass.*@fastcgi_pass unix:/var/run/php-fpm/www.sock;@g' /etc/nginx/default.d/php.conf ;\
-    chown -R fusioniam:fusioniam /var/cache/fusiondirectory /var/spool/fusiondirectory/ ;\
+    chown -R fusioniam:fusioniam /var/cache/fusiondirectory /var/spool/fusiondirectory/ /var/lib/php/session/ ;\
     rm -f install.yaml