libgb: make sure all BSSGP functions have bssgp_ prefix
We change the minority of functions employing the gprs_bssgp_ prefix to
match with the majority without gprs_ in front.
diff --git a/openbsc/src/libgb/libosmo-gb.map b/openbsc/src/libgb/libosmo-gb.map
index 60f85b2..83a8302 100644
--- a/openbsc/src/libgb/libosmo-gb.map
+++ b/openbsc/src/libgb/libosmo-gb.map
@@ -23,13 +23,12 @@
bssgp_tx_suspend_ack;
bssgp_tx_suspend_nack;
bssgp_tx_ul_ud;
-
-gprs_bssgp_rcvmsg
-gprs_bssgp_rx_paging
-gprs_bssgp_set_log_ss
-gprs_bssgp_tx_dl_ud
-gprs_bssgp_tx_paging
-gprs_bssgp_vty_init
+bssgp_rcvmsg
+bssgp_rx_paging
+bssgp_set_log_ss
+bssgp_tx_dl_ud
+bssgp_tx_paging
+bssgp_vty_init
gprs_ns_cause_str;
gprs_ns_destroy;