[misc] Fix the make distcheck

Mention the two new header files, do not list isdnsync twice
diff --git a/openbsc/include/openbsc/Makefile.am b/openbsc/include/openbsc/Makefile.am
index 461f5a8..8bb64eb 100644
--- a/openbsc/include/openbsc/Makefile.am
+++ b/openbsc/include/openbsc/Makefile.am
@@ -3,4 +3,5 @@
 		 timer.h misdn.h chan_alloc.h telnet_interface.h paging.h \
 		 subchan_demux.h trau_frame.h e1_input.h trau_mux.h signal.h \
 		 gsm_utils.h ipaccess.h rs232.h openbscdefines.h rtp_proxy.h \
-		 bsc_rll.h mncc.h talloc.h transaction.h ussd.h gsm_04_80.h
+		 bsc_rll.h mncc.h talloc.h transaction.h ussd.h gsm_04_80.h \
+		 silent_call.h mgcp.h
diff --git a/openbsc/src/Makefile.am b/openbsc/src/Makefile.am
index d28c803..9c8fa7b 100644
--- a/openbsc/src/Makefile.am
+++ b/openbsc/src/Makefile.am
@@ -1,7 +1,7 @@
 INCLUDES = $(all_includes) -I$(top_srcdir)/include
 AM_CFLAGS=-Wall
 
-sbin_PROGRAMS = bsc_hack bs11_config ipaccess-find ipaccess-config isdnsync \
+sbin_PROGRAMS = bsc_hack bs11_config ipaccess-find ipaccess-config \
                 isdnsync bsc_mgcp
 noinst_LIBRARIES = libbsc.a libmsc.a libvty.a libsccp.a
 noinst_HEADERS = vty/cardshell.h