In other words no-sock DJGPP build should suppress syslogging.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5708)
# endif /* __INITIAL_POINTER_SIZE == 64 */
# endif /* __INITIAL_POINTER_SIZE && defined
* _ANSI_C_SOURCE */
+#elif defined(__DJGPP__) && defined(OPENSSL_NO_SOCK)
+# define NO_SYSLOG
#elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
# include <syslog.h>
#endif