Rename VARDIR to VARLIB in shorewallrc

- Done so that existing shorewallrc files are still valid.

Signed-off-by: Tom Eastep <teastep@shorewall.net>

Shorewall-core/lib.base

@@ -42,7 +42,6 @@ if [ -z "$g_readrc" ]; then
     g_sharedir="$SHAREDIR"/$g_program
     g_sbindir="$SBINDIR"
     g_perllib="$PERLLIBDIR"
-    g_vardir="$VARDIR"
     g_confdir="$CONFDIR"/$g_program
     g_readrc=1
 fi
@@ -76,7 +75,10 @@ case $g_program in
 	;;
 esac
 
-VARDIR=${VARDIR}/${g_program}
+if [ -z "${VARLIB}" ]; then
+    VARLIB=${VARDIR}
+    VARDIR=${VARLIB}/$g_program
+fi
 
 #
 # Conditionally produce message