Add a required header to example.

anhu · anhu · commit d47a68aac6dd · 2022-12-29T09:20:49.000-05:00
diff --git a/examples/conf_example.c b/examples/conf_example.c
@@ -20,6 +20,7 @@
  */
 
 #include <stdio.h>
+#include <openssl/conf.h>
 #include <openssl/engine.h>
 
 /* From https://www.openssl.org/docs/man3.0/man3/EVP_MD_CTX_new.html:
