route-update.sh: fix route count in hash-match check for multipath

router/route-update.sh

@@ -295,7 +295,7 @@ process_routes()
             if [ "$current_hash" = "$saved_hash" ] ; then
                 # Check if rules/routes were lost (e.g. after network restart)
                 local rule_count=$($ipcmd -N rule show | grep -c "lookup $table")
-                local route_count=$($ipcmd route show table "$table" 2>/dev/null | wc -l)
+                local route_count=$($ipcmd route show table "$table" 2>/dev/null | grep -c '^[^[:space:]]')
                 vlog "[$name]$label hash match, checking state: rules=$rule_count routes=$route_count"
                 if [ "$rule_count" = "0" ] ; then
                     need_reload=1