gb: Fix naming and export symbol bssgp_enc_rim_pdu

The symbol was not in the list of exported symbols.
Take the chance that it was not used anywhere outside libosmocore to
rename it in order to follow similar naming as other existing APIs.

Change-Id: I534db7d8bc5ceb19a2a6866f07d5f5c70e456c5c
diff --git a/include/osmocom/gprs/gprs_bssgp_rim.h b/include/osmocom/gprs/gprs_bssgp_rim.h
index 5f397c9..41d7982 100644
--- a/include/osmocom/gprs/gprs_bssgp_rim.h
+++ b/include/osmocom/gprs/gprs_bssgp_rim.h
@@ -267,6 +267,6 @@
 };
 
 int bssgp_parse_rim_pdu(struct bssgp_ran_information_pdu *pdu, const struct msgb *msg);
-struct msgb *bssgp_encode_rim_pdu(const struct bssgp_ran_information_pdu *pdu);
+struct msgb *bssgp_enc_rim_pdu(const struct bssgp_ran_information_pdu *pdu);
 
 int bssgp_tx_rim(const struct bssgp_ran_information_pdu *pdu, uint16_t nsei);
diff --git a/src/gb/gprs_bssgp_rim.c b/src/gb/gprs_bssgp_rim.c
index 63b303e..00b3826 100644
--- a/src/gb/gprs_bssgp_rim.c
+++ b/src/gb/gprs_bssgp_rim.c
@@ -1059,7 +1059,7 @@
 /*! Encode a given rim-pdu struct into a message buffer.
  *  \param[out] pdu user provided memory that contains the RAN INFORMATION PDU to encode.
  *  \returns BSSGP message buffer on sccess, NULL on error. */
-struct msgb *bssgp_encode_rim_pdu(const struct bssgp_ran_information_pdu *pdu)
+struct msgb *bssgp_enc_rim_pdu(const struct bssgp_ran_information_pdu *pdu)
 {
 	struct msgb *msg = bssgp_msgb_alloc();
 	struct bssgp_normal_hdr *bgph;
@@ -1160,7 +1160,7 @@
 	char ri_dest_str[64];
 
 	/* Encode RIM PDU into mesage buffer */
-	msg = bssgp_encode_rim_pdu(pdu);
+	msg = bssgp_enc_rim_pdu(pdu);
 	if (!msg) {
 		LOGP(DLBSSGP, LOGL_ERROR,
 		     "BSSGP RIM (NSEI=%u) unable to encode BSSGP RIM PDU\n", nsei);
diff --git a/src/gb/libosmogb.map b/src/gb/libosmogb.map
index db638f9..44e622c 100644
--- a/src/gb/libosmogb.map
+++ b/src/gb/libosmogb.map
@@ -20,6 +20,7 @@
 bssgp_enc_ran_inf_app_cont_nacc;
 bssgp_enc_ran_inf_app_err_rim_cont;
 bssgp_enc_ran_inf_rim_cont;
+bssgp_enc_rim_pdu;
 bssgp_fc_in;
 bssgp_fc_init;
 bssgp_fc_ms_init;