include: Switch to #pragma once pattern
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
diff --git a/include/osmocom/gsm/protocol/gsm_12_21.h b/include/osmocom/gsm/protocol/gsm_12_21.h
index ad0890c..4e8e72b 100644
--- a/include/osmocom/gsm/protocol/gsm_12_21.h
+++ b/include/osmocom/gsm/protocol/gsm_12_21.h
@@ -1,5 +1,4 @@
-#ifndef PROTO_GSM_12_21_H
-#define PROTO_GSM_12_21_H
+#pragma once
/* GSM Network Management messages on the A-bis interface
* 3GPP TS 12.21 version 8.0.0 Release 1999 / ETSI TS 100 623 V8.0.0 */
@@ -748,5 +747,3 @@
};
/*! @} */
-
-#endif /* PROTO_GSM_12_21_H */