Add support for linking classes.

Change-Id: I0026be6e4c919f7391fd83c654f58c3bc67f44e1
diff --git a/src/globals.h b/src/globals.h
index 1904203..73afb7c 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -29,7 +29,7 @@
 const int kBitsPerByte = 8;
 const int kBitsPerByteLog2 = 3;
 const int kBitsPerPointer = kPointerSize * kBitsPerByte;
-const int kBitsPerWord = kWordSize * kBitsPerWord;
+const int kBitsPerWord = kWordSize * kBitsPerByte;
 const int kBitsPerInt = kIntSize * kBitsPerByte;
 
 }  // namespace art