RFA: print prototyped function types with no arguments correctly

[Jim Blandy <jimb@zwingli.cygnus.com>]

Pretty obvious.  I'm just waiting to re-run the test suite before I
commit this.

2002-02-08  Jim Blandy  <jimb@redhat.com>

	* c-typeprint.c (c_type_print_varspec_suffix): If a function type
	is prototyped and has no arguments, print its argument list as
	`(void)'.

Index: gdb/c-typeprint.c
===================================================================
RCS file: /cvs/src/src/gdb/c-typeprint.c,v
retrieving revision 1.17
diff -c -r1.17 c-typeprint.c
*** gdb/c-typeprint.c	2002/01/20 19:42:04	1.17
--- gdb/c-typeprint.c	2002/02/09 06:54:28
***************
*** 576,582 ****
  	{
  	  int i, len = TYPE_NFIELDS (type);
  	  fprintf_filtered (stream, "(");
! 	  if ((len == 0) && (current_language->la_language == language_cplus))
  	    {
  	      fprintf_filtered (stream, "void");
  	    }
--- 576,584 ----
  	{
  	  int i, len = TYPE_NFIELDS (type);
  	  fprintf_filtered (stream, "(");
! 	  if (len == 0
!               && (TYPE_PROTOTYPED (type)
!                   || current_language->la_language == language_cplus))
  	    {
  	      fprintf_filtered (stream, "void");
  	    }