Start implementing GSM 04.11 (short message service)
diff --git a/include/openbsc/Makefile.am b/include/openbsc/Makefile.am
index a779cb9..7af7aee 100644
--- a/include/openbsc/Makefile.am
+++ b/include/openbsc/Makefile.am
@@ -1,2 +1,2 @@
 noinst_HEADERS = abis_nm.h abis_rsl.h debug.h db.h gsm_04_08.h gsm_data.h \
-		 gsm_subscriber.h linuxlist.h msgb.h select.h tlv.h
+		 gsm_subscriber.h linuxlist.h msgb.h select.h tlv.h gsm_04_11.h