migrate to oap_client in libosmogsm

libosmogsm in libosmocore.git from Change-Id
Ie36729996abd30b84d1c30a09f62ebc6a9794950 onwards contains oap_client.c,
so we don't need our local copy here in this repo anymore.

Change-Id: I7b194f98ef3f925b6178d8a8dbd9fcf2f0c6e132
Requires: libosmocore.git Change-Id Ie36729996abd30b84d1c30a09f62ebc6a9794950
diff --git a/src/gprs/gsup_client.c b/src/gprs/gsup_client.c
index 48357b4..95c4988 100644
--- a/src/gprs/gsup_client.c
+++ b/src/gprs/gsup_client.c
@@ -116,7 +116,7 @@
 {
 	struct msgb *msg_tx;
 	int rc;
-	rc = oap_client_register(&gsupc->oap_state, &msg_tx);
+	rc = osmo_oap_client_register(&gsupc->oap_state, &msg_tx);
 
 	if ((rc < 0) || (!msg_tx)) {
 		LOGP(DLGSUP, LOGL_ERROR, "GSUP OAP set up, but cannot register.\n");
@@ -138,7 +138,7 @@
 	if (up) {
 		start_test_procedure(gsupc);
 
-		if (gsupc->oap_state.state == OAP_INITIALIZED)
+		if (gsupc->oap_state.state == OSMO_OAP_INITIALIZED)
 			gsup_client_oap_register(gsupc);
 
 		osmo_timer_del(&gsupc->connect_timer);
@@ -156,7 +156,7 @@
 	struct msgb *msg_tx;
 
 	/* If the oap_state is disabled, this will reject the messages. */
-	rc = oap_client_handle(&gsupc->oap_state, msg_rx, &msg_tx);
+	rc = osmo_oap_client_handle(&gsupc->oap_state, msg_rx, &msg_tx);
 	msgb_free(msg_rx);
 	if (rc < 0)
 		return rc;
@@ -269,7 +269,7 @@
 				       const char *ip_addr,
 				       unsigned int tcp_port,
 				       gsup_client_read_cb_t read_cb,
-				       struct oap_client_config *oapc_config)
+				       struct osmo_oap_client_config *oapc_config)
 {
 	struct gsup_client *gsupc;
 	int rc;
@@ -284,7 +284,7 @@
 	OSMO_ASSERT(gsupc->unit_name);
 
 	/* a NULL oapc_config will mark oap_state disabled. */
-	rc = oap_client_init(oapc_config, &gsupc->oap_state);
+	rc = osmo_oap_client_init(oapc_config, &gsupc->oap_state);
 	if (rc != 0)
 		goto failed;