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);