Late break-in patch for MacOS support.
diff --git a/MacOS/opensslconf.h b/MacOS/opensslconf.h
index e7c6b7c..4a6d85d 100644
--- a/MacOS/opensslconf.h
+++ b/MacOS/opensslconf.h
@@ -6,8 +6,6 @@
 #endif
 #endif
 
-#define OPENSSL_UNISTD <unistd.h>
-
 #if defined(HEADER_IDEA_H) && !defined(IDEA_INT)
 #define IDEA_INT unsigned int
 #endif
@@ -115,4 +113,5 @@
 
 #ifndef __POWERPC__
 #define SHA_XARRAY
-#endif
\ No newline at end of file
+#endif
+