decode Open Type in XER
diff --git a/skeletons/Makefile.am b/skeletons/Makefile.am
index 1af93c2..3d33484 100644
--- a/skeletons/Makefile.am
+++ b/skeletons/Makefile.am
@@ -42,7 +42,8 @@
 	NumericString.c NumericString.h			\
 	OBJECT_IDENTIFIER.c OBJECT_IDENTIFIER.h		\
 	OCTET_STRING.c OCTET_STRING.h	\
-    OCTET_STRING_oer.c \
+	OCTET_STRING_oer.c \
+	OPEN_TYPE.c OPEN_TYPE.h					\
 	ObjectDescriptor.c ObjectDescriptor.h		\
 	PrintableString.c PrintableString.h		\
 	REAL.c REAL.h					\