From 57f1d381405028272e52d73a3b8291f370f4638a Mon Sep 17 00:00:00 2001
From: Viktor Szakats <vszakats@users.noreply.github.com>
Date: Wed, 8 Mar 2023 16:19:22 +0100
Subject: [PATCH] snprintf: add missing prototype for local replacement (#820)

Should fix these warnings with MSVS 2013 and older:
`agent.c(294): warning C4013: '_libssh2_snprintf' undefined; assuming extern returning int`

Follow-up to 4cdf785cd313c3272d04c2ef7458a35d44533d8b.
---
 src/libssh2_priv.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libssh2_priv.h b/src/libssh2_priv.h
index f80d55d4..358421a0 100644
--- a/src/libssh2_priv.h
+++ b/src/libssh2_priv.h
@@ -136,6 +136,7 @@
 #if !defined(HAVE_SNPRINTF)
 #define LIBSSH2_SNPRINTF
 #define snprintf _libssh2_snprintf
+int _libssh2_snprintf(char *cp, size_t cp_max_len, const char *fmt, ...);
 #endif
 
 /* "inline" keyword is valid only with C++ engine! */