Make mem{cpy,move,set} pnacl bitcode disablement apply to biased bitcode.

newlib/libc/string/memset.c

Index: newlib/libc/string/memset.c
diff --git a/newlib/libc/string/memset.c b/newlib/libc/string/memset.c
index b05af2090da4a6c39ec27a2a2647f40863378050..6c417af552ede103ad9306608638c32cbfc5ddc0 100644
--- a/newlib/libc/string/memset.c
+++ b/newlib/libc/string/memset.c
@@ -35,9 +35,11 @@ QUICKREF
 
 /*
  * The body of this function should not appear in PNaCl bitcode.
+ * We use PNACL_BITCODE instead of __le32__ or __pnacl__ since this
+ * should also apply to biased bitcode.
  * See https://code.google.com/p/nativeclient/issues/detail?id=3493
  */
-#ifndef __pnacl__
+#ifndef PNACL_BITCODE
 
 #include <string.h>
 #include "local.h"
@@ -109,4 +111,4 @@ _DEFUN (memset, (m, c, n),
   return m;
 }
 
-#endif /* __pnacl__ */
+#endif /* PNACL_BITCODE */