--- a/crypto/stack/safestack.h	2011-08-17 15:39:52.853888167 -0700
+++ b/crypto/stack/safestack.h	2011-08-17 15:40:20.181928142 -0700
@@ -68,7 +68,7 @@
  */
 
 # define CHECKED_STACK_OF(type, p) \
-    ((_STACK*) (1 ? p : (STACK_OF(type)*)0))
+    ((_STACK*) (1 ? (STACK_OF(type)*)p : (STACK_OF(type)*)0))
 
 # define CHECKED_SK_FREE_FUNC(type, p) \
     ((void (*)(void *)) ((1 ? p : (void (*)(type *))0)))