Convert recently-introduced header files to #pragma once
diff --git a/include/osmocom/ctrl/control_if.h b/include/osmocom/ctrl/control_if.h
index 3ac8bb6..00caacc 100644
--- a/include/osmocom/ctrl/control_if.h
+++ b/include/osmocom/ctrl/control_if.h
@@ -1,5 +1,4 @@
-#ifndef _CONTROL_IF_H
-#define _CONTROL_IF_H
+#pragma once
#include <osmocom/core/write_queue.h>
#include <osmocom/ctrl/control_cmd.h>
@@ -25,6 +24,3 @@
ctrl_cmd_lookup lookup);
int ctrl_cmd_handle(struct ctrl_handle *ctrl, struct ctrl_cmd *cmd, void *data);
-
-#endif /* _CONTROL_IF_H */
-