From: Andrey Rakhmatullin <wrar@debian.org>
Date: Sat, 23 Mar 2024 16:10:52 +0500
Subject: Fix MySQL detection with -Werror=implicit-function-declaration

Bug-Debian: https://bugs.debian.org/1066768
---
 m4/mysql.m4 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/m4/mysql.m4 b/m4/mysql.m4
index 535a081..fda32cf 100644
--- a/m4/mysql.m4
+++ b/m4/mysql.m4
@@ -176,6 +176,7 @@ int main() {
 	    LIBS="$LIBS $MYSQL_LIBS"
 
             AC_LINK_IFELSE([AC_LANG_SOURCE([
+#include <stdio.h>
 #include <mysql.h>
 int main() {
     printf("%p", mysql_real_connect);