HAVE_VPRINTF redefinition warnings for NetBSD

[Krister Walfridsson]

Bootstrapping egcs (both the release branch and the main line source)
on NetBSD gives you tons of warnings that HAVE_VPRINTF being redefined
(it's defined both in auto-host.h and xm-netbsd.h)

   /Krister



Fri Aug 21 22:43:19 1998  Krister Walfridsson  (cato@df.lth.se)

        * xm-netbsd.h (HAVE_VPRINTF): Remove definition.

*** gcc/config/xm-netbsd.h.old  Sat Aug  1 13:16:52 1998
--- gcc/config/xm-netbsd.h      Fri Aug 21 22:43:19 1998
***************
*** 22,26 ****
     running NetBSD.  This file should not be specified as $xm_file itself;
     instead $xm_file should be CPU/xm-netbsd.h, which should include both
     CPU/xm-CPU.h and this file xm-netbsd.h.  */
-    
- #define HAVE_VPRINTF
--- 22,24 ----