Fix windows builds.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65878 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/cont.c b/cont.c
index 95a2d7c7d3..1dad158baf 100644
--- a/cont.c
+++ b/cont.c
@@ -905,7 +905,9 @@ fiber_machine_stack_alloc(size_t size)
 
     return ptr;
 }
+#endif
 
+#ifdef FIBER_USE_NATIVE
 static void
 fiber_initialize_machine_stack_context(rb_fiber_t *fib, size_t size)
 {