fix host cert file name

containers/run.sh

@@ -3,7 +3,7 @@
 
 if [ x$1 != x ]
 then
-  python3 /autoca-client -n -k /etc/grid-security/hostkey.pem -c /etc/grid-security/hostcer.pem ${AUTOCA_URL} $1
+  python3 /autoca-client -n -k /etc/grid-security/hostkey.pem -c /etc/grid-security/hostcert.pem ${AUTOCA_URL} $1
   chown dcache:dcache /etc/grid-security/hostkey.pem  /etc/grid-security/hostcer.pem
 fi