Fix Solaris gprof build with --disable-nls

[Rainer Orth]

gprof fails to compile on Solaris 10 and 11.3 with --disable-nls:

In file included from /vol/src/gnu/binutils/hg/binutils-2.37-branch/git/gprof/gprof.h:33,
                 from /vol/src/gnu/binutils/hg/binutils-2.37-branch/git/gprof/basic_blocks.c:24:
/usr/include/libintl.h:45:14: error: expected identifier or ‘(’ before ‘const’
   45 | extern char *dcgettext(const char *, const char *, const int);
      |              ^~~~~~~~~
/usr/include/libintl.h:46:14: error: expected identifier or ‘(’ before ‘const’
   46 | extern char *dgettext(const char *, const char *);
      |              ^~~~~~~~
/usr/include/libintl.h:47:14: error: expected identifier or ‘(’ before ‘const’
   47 | extern char *gettext(const char *);
      |              ^~~~~~~
/vol/src/gnu/binutils/hg/binutils-2.37-branch/git/gprof/../bfd/sysdep.h:165:33: error: expected identifier or ‘(’ before ‘do’
  165 | # define textdomain(Domainname) do {} while (0)
      |                                 ^~
/vol/src/gnu/binutils/hg/binutils-2.37-branch/git/gprof/../bfd/sysdep.h:165:39: error: expected identifier or ‘(’ before ‘while’
  165 | # define textdomain(Domainname) do {} while (0)
      |                                       ^~~~~
/vol/src/gnu/binutils/hg/binutils-2.37-branch/git/gprof/../bfd/sysdep.h:166:46: error: expected identifier or ‘(’ before ‘do’
  166 | # define bindtextdomain(Domainname, Dirname) do {} while (0)
      |                                              ^~
/vol/src/gnu/binutils/hg/binutils-2.37-branch/git/gprof/../bfd/sysdep.h:166:52: error: expected identifier or ‘(’ before ‘while’
  166 | # define bindtextdomain(Domainname, Dirname) do {} while (0)
      |                                                    ^~~~~
/usr/include/libintl.h:55:14: error: expected identifier or ‘(’ before ‘unsigned’
   55 | extern char *dcngettext(const char *, const char *,
      |              ^~~~~~~~~~
/usr/include/libintl.h:57:14: error: expected identifier or ‘(’ before ‘unsigned’
   57 | extern char *dngettext(const char *, const char *,
      |              ^~~~~~~~~
/usr/include/libintl.h:59:14: error: expected identifier or ‘(’ before ‘unsigned’
   59 | extern char *ngettext(const char *, const char *, unsigned long int);
      |              ^~~~~~~~

This is a known issue already partially fixed in binutils/sysdep.h.  For
gprof, the same fix needs to be applied in bfd/sysdep.h, as the
following patch does.  Tested on i386-pc-solaris2.10 and
i386-pc-solaris2.11.

Ok for master and the 2.37 branch?

	Rainer

-- 
-----------------------------------------------------------------------------
Rainer Orth, Center for Biotechnology, Bielefeld University


2021-07-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	bfd:
	* sysdep.h [!ENABLE_NLS]: Prevent inclusion of <libintl.h> on
	Solaris.

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