From 176c64815640252db31276f1b9e4d4d9de66e113 Mon Sep 17 00:00:00 2001
From: Andy Piper <github@andypiper.com>
Date: Sat, 2 Jan 2021 17:20:41 +0000
Subject: [PATCH] AP_Terrain: compile fix for gcc 9

---
 libraries/AP_Terrain/TerrainIO.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/AP_Terrain/TerrainIO.cpp b/libraries/AP_Terrain/TerrainIO.cpp
index e361208135..65098d81d8 100644
--- a/libraries/AP_Terrain/TerrainIO.cpp
+++ b/libraries/AP_Terrain/TerrainIO.cpp
@@ -175,7 +175,7 @@ void AP_Terrain::open_file(void)
     if (lon_tmp > 999U) {
         lon_tmp = 999;
     }
-    snprintf(p, 13, "/%c%02u%c%03u.DAT",
+    hal.util->snprintf(p, 13, "/%c%02u%c%03u.DAT",
              block.lat_degrees<0?'S':'N',
              (unsigned)lat_tmp,
              block.lon_degrees<0?'W':'E',