try to fix build for OS X variant

svn: r18436

diff --git a/include/private/gc_priv.h b/include/private/gc_priv.h
index ff91fb71e5f53ec8282d0496ea998026f5f4c8f2..503728f9ad3c092faa8fefee18ca964d0807da8b 100644 (file)
--- a/include/private/gc_priv.h
+++ b/include/private/gc_priv.h
@@ -414,7 +414,7 @@ extern GC_warn_proc GC_current_warn_proc;
          || defined (HAS_PPC_THREAD_STATE64___R0) \
          || defined (HAS_X86_THREAD_STATE32___EAX) \
          || defined (HAS_X86_THREAD_STATE64___RAX) \
-          || defined (__DARWIN_UNIX03)
+          || __DARWIN_UNIX03
 #         define THREAD_FLD(x) __ ## x
 #       else
 #         define THREAD_FLD(x) x