dmsquash-live/dmsquash-live-genrules.sh: fixed udev rule location

Fixed the rule directory to $UDEVRULESD

modules.d/90dmsquash-live/dmsquash-live-genrules.sh

@@ -8,7 +8,7 @@ case "$root" in
             ${root#live:/dev/} 
         printf 'SYMLINK=="%s", SYMLINK+="live"\n' \
             ${root#live:/dev/} 
-    } >> /dev/.udev/rules.d/99-live-mount.rules
+    } >> $UDEVRULESD/99-live-mount.rules
     {
         printf 'KERNEL=="%s", RUN+="/sbin/initqueue --settled --onetime --unique /sbin/dmsquash-live-root $env{DEVNAME}"\n' \
             ${root#live:/dev/}