gtphub: cosmetic: break long lines.

Fit most of the code in 80 chars width. Some instances still leak past 80
characters because of long function names, inline comments or the like, "the
exception proves the rule."

Sponsored-by: On-Waves ehi
diff --git a/openbsc/src/gprs/gtphub_ext.c b/openbsc/src/gprs/gtphub_ext.c
index 81c4c12..5ed15fc 100644
--- a/openbsc/src/gprs/gtphub_ext.c
+++ b/openbsc/src/gprs/gtphub_ext.c
@@ -61,10 +61,12 @@
 
 static int start_ares_query(struct ggsn_lookup *lookup);
 
-static void ggsn_lookup_cb(void *arg, int status, int timeouts, struct hostent *hostent)
+static void ggsn_lookup_cb(void *arg, int status, int timeouts,
+			   struct hostent *hostent)
 {
 	struct ggsn_lookup *lookup = arg;
-	LOGP(DGTPHUB, LOGL_NOTICE, "ggsn_lookup_cb(%p / %p)", lookup, &lookup->expiry_entry);
+	LOGP(DGTPHUB, LOGL_NOTICE, "ggsn_lookup_cb(%p / %p)", lookup,
+	     &lookup->expiry_entry);
 
 	if (status != ARES_SUCCESS) {
 		LOGP(DGTPHUB, LOGL_ERROR, "DNS query failed.\n");
@@ -76,7 +78,8 @@
 				return;
 		}
 
-		LOGP(DGTPHUB, LOGL_ERROR, "Failed to resolve GGSN. (%p)\n", lookup);
+		LOGP(DGTPHUB, LOGL_ERROR, "Failed to resolve GGSN. (%p)\n",
+		     lookup);
 		goto remove_from_queue;
 	}
 
@@ -98,13 +101,15 @@
 	resolved_addr.len = hostent->h_length;
 
 	LOGP(DGTPHUB, LOGL_NOTICE, "resolved addr %s\n",
-	     osmo_hexdump((unsigned char*)&resolved_addr, sizeof(resolved_addr)));
+	     osmo_hexdump((unsigned char*)&resolved_addr,
+			  sizeof(resolved_addr)));
 
 	gtphub_resolved_ggsn(lookup->hub, lookup->apn_oi_str, &resolved_addr,
 			     gtphub_now());
 
 remove_from_queue:
-	LOGP(DGTPHUB, LOGL_ERROR, "Removing GGSN lookup. (%p / %p)\n", lookup, &lookup->expiry_entry);
+	LOGP(DGTPHUB, LOGL_ERROR, "Removing GGSN lookup. (%p / %p)\n", lookup,
+	     &lookup->expiry_entry);
 	expiring_item_del(&lookup->expiry_entry);
 }
 
@@ -120,9 +125,11 @@
 
 static int start_ares_query(struct ggsn_lookup *lookup)
 {
-	LOGP(DGTPHUB, LOGL_DEBUG, "Going to query %s (%p / %p)\n", lookup->apn_oi_str, lookup, &lookup->expiry_entry);
+	LOGP(DGTPHUB, LOGL_DEBUG, "Going to query %s (%p / %p)\n",
+	     lookup->apn_oi_str, lookup, &lookup->expiry_entry);
 
-	int rc = sgsn_ares_query(sgsn, lookup->apn_oi_str, ggsn_lookup_cb, lookup);
+	int rc = sgsn_ares_query(sgsn, lookup->apn_oi_str, ggsn_lookup_cb,
+				 lookup);
 	if (rc != 0)
 		LOGP(DGTPHUB, LOGL_ERROR, "Failed to start ares query.\n");
 	return rc;
@@ -133,7 +140,8 @@
 	struct ggsn_lookup *lookup;
 	lookup = container_of(expi, struct ggsn_lookup, expiry_entry);
 
-	LOGP(DGTPHUB, LOGL_NOTICE, "ggsn_lookup_del_cb(%p / %p)\n", lookup, expi);
+	LOGP(DGTPHUB, LOGL_NOTICE, "ggsn_lookup_del_cb(%p / %p)\n", lookup,
+	     expi);
 
 	lookup->expiry_entry.del_cb = 0;
 	expiring_item_del(expi);
@@ -149,10 +157,12 @@
 	OSMO_ASSERT(imsi_str);
 	OSMO_ASSERT(apn_ni_str);
 
-	struct ggsn_lookup *lookup = talloc_zero(osmo_gtphub_ctx, struct ggsn_lookup);
+	struct ggsn_lookup *lookup = talloc_zero(osmo_gtphub_ctx,
+						 struct ggsn_lookup);
 	OSMO_ASSERT(lookup);
 
-	LOGP(DGTPHUB, LOGL_NOTICE, "Request to resolve IMSI '%s' with APN-NI '%s' (%p / %p)\n",
+	LOGP(DGTPHUB, LOGL_NOTICE, "Request to resolve IMSI"
+	     " '%s' with APN-NI '%s' (%p / %p)\n",
 	     imsi_str, apn_ni_str, lookup, &lookup->expiry_entry);
 
 	expiring_item_init(&lookup->expiry_entry);