gbproxy: Replace ';;' by ';'

This patch removes some superfluous ';' from the code.

Sponsored-by: On-Waves ehf
diff --git a/openbsc/src/gprs/gb_proxy_tlli.c b/openbsc/src/gprs/gb_proxy_tlli.c
index d521434..9b337fe 100644
--- a/openbsc/src/gprs/gb_proxy_tlli.c
+++ b/openbsc/src/gprs/gb_proxy_tlli.c
@@ -517,7 +517,7 @@
 			sgsn_tlli = gbproxy_make_sgsn_tlli(peer, link_info,
 							   parse_ctx->tlli);
 			link_info->sgsn_tlli.current = sgsn_tlli;
-			link_info->tlli.current = parse_ctx->tlli;;
+			link_info->tlli.current = parse_ctx->tlli;
 		} else if (!link_info->tlli.current) {
 			/* New TLLI (info found by IMSI or P-TMSI) */
 			link_info->tlli.current = parse_ctx->tlli;
@@ -597,8 +597,8 @@
 		     parse_ctx->tlli, new_ptmsi);
 
 		link_info = gbproxy_link_info_alloc(peer);
-		link_info->sgsn_tlli.current = parse_ctx->tlli;;
-		link_info->tlli.current = parse_ctx->tlli;;
+		link_info->sgsn_tlli.current = parse_ctx->tlli;
+		link_info->tlli.current = parse_ctx->tlli;
 		link_info->sgsn_tlli.ptmsi = new_ptmsi;
 		link_info->tlli.ptmsi = new_ptmsi;
 		gbproxy_attach_link_info(peer, now, link_info);
diff --git a/openbsc/src/gprs/gprs_gb_parse.c b/openbsc/src/gprs/gprs_gb_parse.c
index db40e97..87cea1b 100644
--- a/openbsc/src/gprs/gprs_gb_parse.c
+++ b/openbsc/src/gprs/gprs_gb_parse.c
@@ -157,7 +157,7 @@
 	if (lv_shift(&data, &data_len, NULL, &value_len) <= 0 ||
 	    value_len < 1 || value_len > 8)
 		/* invalid */
-		return 0;;
+		return 0;
 
 	/* Skip Attach type */
 	/* Skip Ciphering key sequence number */
@@ -421,7 +421,7 @@
 	if (lv_shift(&data, &data_len, NULL, &value_len) <= 0 ||
 	    value_len < 4 || value_len > 14)
 		/* invalid */
-		return 0;;
+		return 0;
 
 	/* Skip Requested PDP address */
 	if (lv_shift(&data, &data_len, NULL, &value_len) <= 0 ||