PR: 2576

Submitted by: Doug Goldstein <cardoe@gentoo.org>
Reviewed by: steve

Include header file stdlib.h which is needed on some platforms to get
getenv() declaration.

crypto/conf/conf_api.c

@@ -64,6 +64,7 @@
 #endif
 
 #include <assert.h>
+#include <stdlib.h>
 #include <string.h>
 #include <openssl/conf.h>
 #include <openssl/conf_api.h>