[binutils-gdb] Fix GDB regressions caused by previous bfd_get_section_contents changes

[sergiodj+buildbot@sergiodj.net]

*** TEST RESULTS FOR COMMIT ab27f80c5dceaa23c4ba7f62c0d5d22a5d5dd7a1 ***

Author: Pedro Alves <palves@redhat.com>
Branch: master
Commit: ab27f80c5dceaa23c4ba7f62c0d5d22a5d5dd7a1

Fix GDB regressions caused by previous bfd_get_section_contents changes

Ref: https://sourceware.org/ml/binutils/2017-06/msg00343.html

bfd/ChangeLog:
2017-06-26  Pedro Alves  <palves@redhat.com>

	PR binutils/21665
	* libbfd.c (_bfd_generic_get_section_contents): Add "count", not
	"sz".