[LTO OB]: Remove inaccurate ATTRIBUTE_UNUSED

[Jim Blandy]

Committed as obvious.

gcc/lto/ChangeLog:
2007-08-17  Jim Blandy  <jimb@codesourcery.com>

	* lto.c (lto_read_variable_formal_parameter_constant_DIE): Remove
	ATTRIBUTE_UNUSED from 'die' formal.

Index: gcc/lto/lto.c
===================================================================
--- gcc/lto/lto.c	(revision 127591)
+++ gcc/lto/lto.c	(working copy)
@@ -1923,7 +1923,7 @@
 
 static tree
 lto_read_variable_formal_parameter_constant_DIE (lto_info_fd *fd,
-						 lto_die_ptr die ATTRIBUTE_UNUSED,
+						 lto_die_ptr die,
 						 const DWARF2_abbrev *abbrev,
 						 lto_context *context)
 {