Renamed PyString to PyBytes
diff --git a/Makefile.pre.in b/Makefile.pre.in
index c827f4b..b00a2d7 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -584,6 +584,7 @@
 		Include/bitset.h \
 		Include/boolobject.h \
 		Include/bytes_methods.h \
+		Include/bytearrayobject.h \
 		Include/bytesobject.h \
 		Include/bufferobject.h \
 		Include/cellobject.h \