Support spaces in mount_nfs (#1109933)

nfs paths may contain spaces, make sure they are preserved when passed
to nfs_to_var and mount.

Related: rhbz#1109933
(cherry picked from commit 7e692cfd43)

modules.d/95nfs/nfs-lib.sh

@@ -125,7 +125,7 @@ munge_nfs_options() {
 mount_nfs() {
     local nfsroot="$1" mntdir="$2" netif="$3"
     local nfs="" server="" path="" options=""
-    nfs_to_var $nfsroot $netif
+    nfs_to_var "$nfsroot" $netif
     munge_nfs_options
     if [ "$nfs" = "nfs4" ]; then
         options=$options${nfslock:+,$nfslock}
@@ -136,5 +136,5 @@ mount_nfs() {
             && warn "Locks unsupported on NFSv{2,3}, using nolock" 1>&2
         options=$options,nolock
     fi
-    mount -t $nfs -o$options $server:$path $mntdir
+    mount -t $nfs -o$options "$server:$path" "$mntdir"
 }