add missing gsm0341.h
diff --git a/include/osmocom/gsm/gsm0341.h b/include/osmocom/gsm/gsm0341.h
new file mode 100644
index 0000000..29ba3e1
--- /dev/null
+++ b/include/osmocom/gsm/gsm0341.h
@@ -0,0 +1,9 @@
+#pragma once
+
+#include <osmocom/gsm/protocol/gsm_03_41.h>
+
+struct gsm341_ms_message *
+gsm0341_build_msg(void *ctx, uint8_t geo_scope, uint8_t msg_code,
+		  uint8_t update, uint16_t msg_id, uint8_t dcs,
+		  uint8_t page_total, uint8_t page_cur,
+		  uint8_t *data, uint8_t len);