[patch] Guile 1.6.3: add support for NetBSD/sparc to gc_os_dep.c

[Adrian Bunk]

The trivial patch below was needed for me to compile 
libguile/gc_os_dep.c under sparc-unknown-netbsdelf1.5.

Please apply
Adrian

--- libguile/gc_os_dep.c.old    Mon Mar 10 22:59:15 2003
+++ libguile/gc_os_dep.c        Mon Mar 10 23:00:28 2003
@@ -103,6 +103,11 @@
 #    define NETBSD
 #    define mach_type_known
 # endif
+# if defined(__NetBSD__) && defined(__sparc__)
+#    define SPARC
+#    define NETBSD
+#    define mach_type_known
+# endif
 # if defined(vax)
 #    define VAX
 #    ifdef ultrix