[Gc] Build failure on NetBSD 5.1

[Ludovic Courtès]

Hi Ivan,

Ivan Maidanski <ivmai at mail.ru> skribis:

> I've fixed this in the most easies way (without removing GC_init_netbsd_elf) - SEARCH_FOR_DATA_START is not defined now for NetBSD/amd64-elf.
>
> Please check it on the target.

I confirm that current CVS builds and passes ‘make check’, thanks!

<config.h> has #define GC_NETBSD_THREADS 1.

Ludo’.