move grps_gsup_client.c to libcommon/gsup_client.c

This is in preparation for libvlr.

Related: OS#1592
Change-Id: I9ad7dc7f17f3b033c779de9ae8bc120655502fce
diff --git a/openbsc/src/libcommon/Makefile.am b/openbsc/src/libcommon/Makefile.am
index 6582d1e..0b258c0 100644
--- a/openbsc/src/libcommon/Makefile.am
+++ b/openbsc/src/libcommon/Makefile.am
@@ -23,8 +23,25 @@
 	debug.c \
 	gsm_data.c \
 	gsm_data_shared.c \
+	gsup_client.c \
 	oap_client.c \
 	socket.c \
 	talloc_ctx.c \
 	gsm_subscriber_base.c \
 	$(NULL)
+
+noinst_PROGRAMS = \
+	gsup_test_client \
+	$(NULL)
+
+gsup_test_client_SOURCES = \
+	gsup_test_client.c \
+	$(NULL)
+gsup_test_client_LDADD = \
+	libcommon.a \
+	$(LIBOSMOCORE_LIBS) \
+	$(LIBOSMOGSM_LIBS) \
+	$(LIBOSMOVTY_LIBS) \
+	$(LIBOSMOABIS_LIBS) \
+	-lrt \
+	$(NULL)