Run struct_endianness.py

Ensure there is no diff to prepare to run this in CI.

Related: OS#5884
Change-Id: Ic9c587e8d2a6cedb3d08ce6c1b130e8025617694
---
M src/osmo-upf/upf_gtpu_echo.c
1 file changed, 13 insertions(+), 0 deletions(-)

diff --git a/src/osmo-upf/upf_gtpu_echo.c b/src/osmo-upf/upf_gtpu_echo.c
index 60a8da8..bc59695 100644
--- a/src/osmo-upf/upf_gtpu_echo.c
+++ b/src/osmo-upf/upf_gtpu_echo.c
@@ -31,6 +31,7 @@
 		pt:1, /*< Protocol Type: GTP=1, GTP'=0 */
 		version:3; /*< Version: 1 */
 #elif OSMO_IS_BIG_ENDIAN
+/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */
 	uint8_t version:3, pt:1, spare:1, e:1, s:1, pn:1;
 #endif
 	uint8_t msg_type;

