Rework of SPF threads schedule logic. I'm not 100% sure whether it's right
thing to do to have completely separate threads for IPv4 and IPv6 SPF
though. But it works and it's now possible to have both IPv4 and IPv6
enabled in interface. One bug fixed in LSP regeneration scheduling as well.
diff --git a/isisd/ChangeLog b/isisd/ChangeLog
index 1464c33..4bd3494 100644
--- a/isisd/ChangeLog
+++ b/isisd/ChangeLog
@@ -1,3 +1,11 @@
+2004-09-19 Hasso Tepper <hasso at quagga.net>
+
+	* isis_spf.h: Renamed t_spf_periodic to t_spf as it's not used to
+	  store pointer to periodic SPF thread only.
+	* isis_spf.c: Cleaned up SPF threads schedule code. IPv4 and IPv6
+	  threads are independant now. Used macros wherever possible.
+	* isis_lsp.c: Fixed bug in scheduling LSP regeneration.
+
 2004-09-17 LIU Xin <lx at ns.6test.edu.cn>
 	
 	* isis_circuit.c: According to RFC1142 the first DIS election will be