Minor reformatting in valops.c::value_slice

I noticed that a small lexical block was over indented by 2 characters.
So this patch starts by reducing the indentation.

While looking at this area of the code, I also noticed a couple of lines
that had trailing spaces, so this patch also removes them.

And finally, it fixes one tiny to put the assignment operator at
the start of the next line, rather than at the end of the first line.

gdb/ChangeLog:

        * valops.c (value_slice): Minor reformatting.
Following up on Tom's suggestion I am checking in a patch to replace the various
bfd_xxx_set macros with static inline functions, so that we can avoid compile time
warnings about comma expressions with unused values.

	* bfd-in.h (bfd_set_section_vma): Delete.
	(bfd_set_section_alignment): Delete.
	(bfd_set_section_userdata): Delete.
	(bfd_set_cacheable): Delete.
	* bfd.c (bfd_set_cacheable): New static inline function.
	* section.c (bfd_set_section_userdata): Likewise.
	(bfd_set_section_vma): Likewise.
	(bfd_set_section_alignment): Likewise.
	* bfd-in2.h: Regenerate.
My patch to the binutils strip-10.d test was wrong.  The osabi field should always be set to
ELFOSABI_GNU for binaries containing unique symbols.  So I am reverting that patch and
instead applying the patch below to fix up the targets that were triggering the test failure.

bfd/ChangeLog
2014-01-29  Nick Clifton  <nickc@redhat.com>

	* elf32-metag.c (elf_metag_post_process_headers): Call
	_bfd_elf_post_process_headers.
	* elf32-sh64.c (sh64_elf_copy_private_data): Call
	_bfd_elf_copy_private_data.
	* elf64-sh64.c (sh_elf64_copy_private_data_internal): Likewise.

binutils/testsuite/ChangeLog
2014-01-29  Nick Clifton  <nickc@redhat.com>

	* binutils-all/strip-10.d: Revert previous delta.
This changeset makes sparc64_linux_step_trap to return 0 when a
breakpoint is set in a `ta 0x6d´ which is not a sigreturn syscall.  In
these cases no rt_frame exists in the stack and thus the read PC is
wrong.

ChangeLog
2014-01-29  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* sparc64-linux-tdep.c (sparc64_linux_step_trap): Get PC from
          the sigreturn register save area only if the syscall is
          sigreturn.

testsuite/ChangeLog
2014-01-29  Jose E. Marchesi  <jose.marchesi@oracle.com>

	* gdb.arch/sparc-sysstep.exp: New file.
	* gdb.arch/sparc-sysstep.c: Likewise.

	* gdb.arch/Makefile.in (EXECUTABLES): Add sparc-sysstep.
Add rdynamic-1 test

It is added for

commit 409ff343a402799563f71f938138b29f8baf7a1c
Author: Alan Modra <amodra@gmail.com>
Date:   Tue Nov 8 13:49:11 2011 +0000

      * elflink.c (bfd_elf_gc_mark_dynamic_ref_symbol): Mark syms in
      executables when export_dynamic.

	* ld-elf/rdynamic-1.c: New file.
	* ld-elf/rdynamic-1.rd: Likewise.

	* ld-elf/shared.exp (build_tests): Add rdynamic-1.
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