[PATCH] include buffer_head.h in actual users instead of fs.h (2/10)

Declare buffer_init() extern in init/main.c like the other _init so that
it doesn't have to include buffer_head.h.  Remove buffer_init() there.

include/linux/buffer_head.h

@@ -143,7 +143,6 @@ BUFFER_FNS(Async_Write, async_write)
  */
 
 void FASTCALL(mark_buffer_dirty(struct buffer_head *bh));
-void buffer_init(void);
 void init_buffer(struct buffer_head *, bh_end_io_t *, void *);
 void set_bh_page(struct buffer_head *bh,
 		struct page *page, unsigned long offset);

init/main.c

@@ -68,6 +68,7 @@ extern void mca_init(void);
 extern void sbus_init(void);
 extern void sysctl_init(void);
 extern void signals_init(void);
+extern void buffer_init(void);
 
 extern void radix_tree_init(void);
 extern void free_initmem(void);