Looks like wp command has 2 identical declarations.
	Code:
	Index: command.h
===================================================================
--- command.h	(revision 1245)
+++ command.h	(working copy)
@@ -135,7 +135,6 @@
 void command_setpass(Client *c, const Seperator *sep);
 void command_grid(Client *c, const Seperator *sep);
 void command_wp(Client *c, const Seperator *sep);
-void command_wp(Client *c, const Seperator *sep);
 void command_iplookup(Client *c, const Seperator *sep);
 void command_size(Client *c, const Seperator *sep);
 void command_mana(Client *c, const Seperator *sep);