provisioning/warewulf-vnfs: ensure $CHROOTDIR/dev exists
--- warewulf3/libexec/wwmkchroot/include-rhel 2017-08-16 15:07:47.000000000 -0700
+++ warewulf3.patch/libexec/wwmkchroot/include-rhel 2018-05-14 09:12:35.000000000 -0700
-@@ -45,6 +45,10 @@
+@@ -45,6 +45,11 @@
YUM_CONF_DIRNAME=`dirname $YUM_CONF`
mkdir -m 0755 -p $CHROOTDIR/$YUM_CONF_DIRNAME
+ # RPM in RHEL/CentOS 7.5 requires /dev/random to install packages
+ # https://bugzilla.mozilla.org/show_bug.cgi?id=889116
++ mkdir -p $CHROOTDIR/dev
+ mknod $CHROOTDIR/dev/urandom c 1 9
+
> $CHROOTDIR/$YUM_CONF
