clean-up; removed unnecessary field from type descriptor

diff --git a/skeletons/tests/check-INTEGER.c b/skeletons/tests/check-INTEGER.c
index a7edb73..03efc05 100644
--- a/skeletons/tests/check-INTEGER.c
+++ b/skeletons/tests/check-INTEGER.c
@@ -1,4 +1,5 @@
 #include <INTEGER.c>
+#include <ber_codec_prim.c>
 #include <ber_decoder.c>
 #include <ber_tlv_length.c>
 #include <ber_tlv_tag.c>