[Minor] Fix format string issues

src/client/rspamc.c

 	struct rspamd_http_header *h, *htmp;
 
 	HASH_ITER (hh, msg->headers, h, htmp) {
-		rspamd_fprintf (out, "%T: %T\n", h->name, h->value);
+		rspamd_fprintf (out, "%T: %T\n", &h->name, &h->value);
 	}
 
 	rspamd_fprintf (out, "\n");

src/libmime/lang_detection.c

 
 	while ((cur = ucl_object_iterate (freqs, &it, true)) != NULL) {
 		const gchar *key;
-		gsize keylen, nsym;
-		guint freq;
+		gsize keylen;
+		guint freq, nsym;
 		UChar *ucs_key;
 
 		key = ucl_object_keyl (cur, &keylen);