Apply all the changes submitted by Steven M. Schweda <sms@antinode.info>

crypto/rand/randfile.c

@@ -144,7 +144,9 @@ int RAND_load_file(const char *file, long bytes)
 	   * I/O because we will waste system entropy. 
 	   */
 	  bytes = (bytes == -1) ? 2048 : bytes; /* ok, is 2048 enough? */
+#ifndef OPENSSL_NO_SETVBUF_IONBF
 	  setvbuf(in, NULL, _IONBF, 0); /* don't do buffered reads */
+#endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 	}
 #endif
 	for (;;)