[binutils-gdb] Add missing pr reference

[Alan Modra]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a40d44c44ec0a7ee8feeaccdb8e838c5338df6c9

commit a40d44c44ec0a7ee8feeaccdb8e838c5338df6c9
Author: Alan Modra <amodra@gmail.com>
Date:   Thu Aug 27 10:59:36 2015 +0930

    Add missing pr reference

Diff:
---
 bfd/ChangeLog | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 9e254a3..742d35e 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,6 @@
 2015-08-27  Alan Modra  <amodra@gmail.com>
 
+	PR 18867
 	* elf64-alpha.c (elf64_alpha_sort_relocs_p): New function.
 	(elf_backend_sort_relocs_p): Define.