From 2cda55de736882afa10335989bb6d1f81133101a Mon Sep 17 00:00:00 2001
From: Shahram Najm <masn@ecmwf.int>
Date: Sat, 21 May 2022 16:13:38 +0100
Subject: [PATCH] ECC-1393: Fix error C2440

---
 tools/wingetopt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/wingetopt.c b/tools/wingetopt.c
index 5eb965cdb..923026d06 100644
--- a/tools/wingetopt.c
+++ b/tools/wingetopt.c
@@ -21,7 +21,7 @@ int getopt(int argc, char* argv[], const char* optstring)
 {
     static char* next = 0;
     char c;
-    char* cp;
+    const char* cp;
     if (optind == 0)
         next = 0;