gbproxy: Use gbproxy_ for all structures

The application is called gbproxy but the structures and functions
were inconsistently named as either gbprox or gbproxy. Rename all
structures to use gbproxy.

Done with Jacob
diff --git a/openbsc/include/openbsc/gb_proxy.h b/openbsc/include/openbsc/gb_proxy.h
index 5e5043a..ab6b220 100644
--- a/openbsc/include/openbsc/gb_proxy.h
+++ b/openbsc/include/openbsc/gb_proxy.h
@@ -43,7 +43,7 @@
 	int tlli_max_len;
 };
 
-struct gbprox_patch_state {
+struct gbproxy_patch_state {
 	int local_mnc;
 	int local_mcc;
 
@@ -52,7 +52,7 @@
 	int enabled_tllis_count;
 };
 
-struct gbprox_peer {
+struct gbproxy_peer {
 	struct llist_head list;
 
 	/* NSEI of the peer entity */
@@ -68,10 +68,10 @@
 	/* Counter */
 	struct rate_ctr_group *ctrg;
 
-	struct gbprox_patch_state patch_state;
+	struct gbproxy_patch_state patch_state;
 };
 
-struct gbprox_tlli_info {
+struct gbproxy_tlli_info {
 	struct llist_head list;
 
 	uint32_t tlli;
@@ -108,10 +108,10 @@
 
 int gbprox_set_patch_filter(const char *filter, const char **err_msg);
 
-void gbprox_delete_tlli(struct gbprox_peer *peer,
-			       struct gbprox_tlli_info *tlli_info);
-int gbprox_remove_stale_tllis(struct gbprox_peer *peer, time_t now);
+void gbprox_delete_tlli(struct gbproxy_peer *peer,
+			       struct gbproxy_tlli_info *tlli_info);
+int gbprox_remove_stale_tllis(struct gbproxy_peer *peer, time_t now);
 int gbprox_cleanup_peers(uint16_t nsei, uint16_t bvci);
 
-struct gbprox_peer *gbprox_peer_by_nsei(uint16_t nsei);
+struct gbproxy_peer *gbprox_peer_by_nsei(uint16_t nsei);
 #endif