missing definition of idlehands.  getfields is now in lib.h

Reference: /n/atom/patch/applied2013/fspcidlehands
Date: Thu Oct  3 16:35:31 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/fs/pc/fns.h	Thu Oct  3 16:35:01 2013
+++ /sys/src/fs/pc/fns.h	Thu Oct  3 16:35:01 2013
@@ -17,11 +17,11 @@
 ulong	getcr2(void);
 ulong	getcr3(void);
 ulong	getcr4(void);
-int	getfields(char*, char**, int, int, char*);
 void	i8042a20(void);
 void	i8042reset(void);
-#define	halthi()	idlehands()
-void	idlehands(void);
+#define	idlehands() idle()
+#define	halthi()	idle()
+void	idle(void);
 int	inb(int);
 ulong	inl(int);
 void	insb(int, void*, int);