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/src/gprs/gb_proxy_vty.c b/openbsc/src/gprs/gb_proxy_vty.c
index 41129d8..0be2519 100644
--- a/openbsc/src/gprs/gb_proxy_vty.c
+++ b/openbsc/src/gprs/gb_proxy_vty.c
@@ -60,7 +60,7 @@
 	{0, NULL}
 };
 
-static void gbprox_vty_print_peer(struct vty *vty, struct gbprox_peer *peer)
+static void gbprox_vty_print_peer(struct vty *vty, struct gbproxy_peer *peer)
 {
 	struct gprs_ra_id raid;
 	gsm48_parse_ra(&raid, peer->ra);
@@ -337,7 +337,7 @@
 DEFUN(show_gbproxy, show_gbproxy_cmd, "show gbproxy [stats]",
        SHOW_STR "Display information about the Gb proxy\n" "Show statistics\n")
 {
-	struct gbprox_peer *peer;
+	struct gbproxy_peer *peer;
 	int show_stats = argc >= 1;
 
 	if (show_stats)
@@ -355,13 +355,13 @@
 DEFUN(show_gbproxy_tllis, show_gbproxy_tllis_cmd, "show gbproxy tllis",
        SHOW_STR "Display information about the Gb proxy\n" "Show TLLIs\n")
 {
-	struct gbprox_peer *peer;
+	struct gbproxy_peer *peer;
 	char mi_buf[200];
 	time_t now = time(NULL);
 
 	llist_for_each_entry(peer, &gbcfg.bts_peers, list) {
-		struct gbprox_tlli_info *tlli_info;
-		struct gbprox_patch_state *state = &peer->patch_state;
+		struct gbproxy_tlli_info *tlli_info;
+		struct gbproxy_patch_state *state = &peer->patch_state;
 
 		gbprox_vty_print_peer(vty, peer);
 
@@ -428,7 +428,7 @@
 		if (!dry_run)
 			counter = gbprox_cleanup_peers(nsei, 0);
 		else {
-			struct gbprox_peer *peer;
+			struct gbproxy_peer *peer;
 			counter = 0;
 			llist_for_each_entry(peer, &gbcfg.bts_peers, list) {
 				if (peer->nsei != nsei)
@@ -482,9 +482,9 @@
 	enum {MATCH_TLLI = 't', MATCH_IMSI = 'i', MATCH_STALE = 's'} match;
 	uint32_t tlli = 0;
 	const char *imsi = NULL;
-	struct gbprox_peer *peer = 0;
-	struct gbprox_tlli_info *tlli_info, *nxt;
-	struct gbprox_patch_state *state;
+	struct gbproxy_peer *peer = 0;
+	struct gbproxy_tlli_info *tlli_info, *nxt;
+	struct gbproxy_patch_state *state;
 	char mi_buf[200];
 	int found = 0;