newlib: fix extract process for custom version

newlib: fix extract process for custom version

If the user specifies the use of a custom newlib version, the logic in the
extract function was reversed, so this step would fail.

Signed-off-by: Trevor Woerner <trevor.woerner@linaro.org>
[yann.morin.1998@free.fr: keep leading indentation]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <c727adf1b7bd2c1e891d.1393353347@openSUSE-i7>
Patchwork-Id: 324060

--- a/bfd/elf32-arm.c

+++ b/bfd/elf32-arm.c

@@ -12408,7 +12408,8 @@ elf32_arm_check_relocs (bfd *abfd, struc

 	  /* If the symbol is a function that doesn't bind locally,

 	     this relocation will need a PLT entry.  */

-	  root_plt->refcount += 1;

+	  if (root_plt->refcount != -1)

+	    root_plt->refcount += 1;

 	  if (!call_reloc_p)

 	    arm_plt->noncall_refcount++;