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

newlib/libc/string/memmove.c

 /*
 FUNCTION
         <<memmove>>---move possibly overlapping memory
 
 INDEX
         memmove
 
 ANSI_SYNOPSIS
         #include <string.h>
         void *memmove(void *<[dst]>, const void *<[src]>, size_t <[length]>);
@@ skipping 19 matching lines @@
 <<memmove>> is ANSI C.
 
 <<memmove>> requires no supporting OS subroutines.
 
 QUICKREF
         memmove ansi pure
 */
 
 /*
  * 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 <_ansi.h>
 #include <stddef.h>
 #include <limits.h>
 #include "local.h"
 
 /* Nonzero if either X or Y is not aligned on a "long" boundary.  */
 #define UNALIGNED(X, Y) \
   (((long)X & (sizeof (long) - 1)) | ((long)Y & (sizeof (long) - 1)))
@@ skipping 89 matching lines @@
       while (length--)
         {
           *dst++ = *src++;
         }
     }
 
   return dst_void;
 #endif /* not PREFER_SIZE_OVER_SPEED */
 }
 
-#endif /* __pnacl__ */
+#endif /* PNACL_BITCODE */