Update elf64-ppc.c to use elf_link_hash_table shortcuts.

(cherry picked from commit 33e44f2eb27d78f57ed83d11f04652691d896a6f)

bfd/ChangeLog

 2013-11-15  Alan Modra  <amodra@gmail.com>
 
 	Apply changes from mainline to 2.24
+	2013-11-05  Alan Modra  <amodra@gmail.com>
+	* elf64-ppc.c (struct ppc_link_hash_table): Remove got, plt, relplt,
+	iplt, reliplt.  Update all references to use elf.sgot, elf.splt,
+	elf.srelplt, elf.iplt and elf.irelplt.
+
 	2013-11-04  Alan Modra  <amodra@gmail.com>
 	* elf64-ppc.c (ppc64_elf_relocate_section): Edit global entry
 	prologue to non-PIC in non-PIC executables.
@@ -1333,7 +1338,7 @@
 2013-04-09  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 
 	PR ld/12494
-	* bfd/elf32-avr.c: Consider all sections to determine if linker
+	* elf32-avr.c: Consider all sections to determine if linker
 	relaxation can safely delete a ret after a call/jmp
 
 2013-04-09  Mingjie Xing  <mingjie.xing@gmail.com>