[patch] *.h: Remove unused prototypos.

[Kazu Hirata]

Hi,

Attached is a patch to remove unused prototypes.

Bootstrapped on i686-pc-linux-gnu.  Committed as obvious.

Kazu Hirata

2006-12-24  Kazu Hirata  <kazu@codesourcery.com>

	* basic-block.h: Remove the prototype for
	expected_value_to_br_prob.
	* rtl.h: Remove the prototypes for expand_builtin_expect_jump
	and purge_line_number_notes.

Index: basic-block.h
===================================================================
--- basic-block.h	(revision 120179)
+++ basic-block.h	(working copy)
@@ -869,7 +869,6 @@ extern struct edge_list *pre_edge_rev_lc
 extern void compute_available (sbitmap *, sbitmap *, sbitmap *, sbitmap *);
 
 /* In predict.c */
-extern void expected_value_to_br_prob (void);
 extern bool maybe_hot_bb_p (basic_block);
 extern bool probably_cold_bb_p (basic_block);
 extern bool probably_never_executed_bb_p (basic_block);
Index: rtl.h
===================================================================
--- rtl.h	(revision 120179)
+++ rtl.h	(working copy)
@@ -1434,9 +1434,6 @@ extern int currently_expanding_to_rtl;
 /* In expmed.c */
 extern int ceil_log2 (unsigned HOST_WIDE_INT);
 
-/* In builtins.c */
-extern rtx expand_builtin_expect_jump (tree, rtx, rtx);
-
 /* In explow.c */
 extern void set_stack_check_libfunc (rtx);
 extern HOST_WIDE_INT trunc_int_for_mode	(HOST_WIDE_INT, enum machine_mode);
@@ -2031,7 +2028,6 @@ extern enum rtx_code reversed_comparison
 						     rtx, rtx, rtx);
 extern void delete_for_peephole (rtx, rtx);
 extern int condjump_in_parallel_p (rtx);
-extern unsigned int purge_line_number_notes (void);
 
 /* In emit-rtl.c.  */
 extern int max_reg_num (void);