If errno is ENXIO in BSS_new_file(), set BIO_R_NO_SUCH_FILE

VMS sets that errno when the device part of a file spec is malformed
or a logical name that doesn't exist.
Reviewed-by: NRich Salz <rsalz@openssl.org>

crypto/bio/bss_file.c

@@ -73,7 +73,11 @@ BIO *BIO_new_file(const char *filename, const char *mode)
     if (file == NULL) {
         SYSerr(SYS_F_FOPEN, get_last_sys_error());
         ERR_add_error_data(5, "fopen('", filename, "','", mode, "')");
-        if (errno == ENOENT)
+        if (errno == ENOENT
+# ifdef ENXIO
+            || errno == ENXIO
+# endif
+            )
             BIOerr(BIO_F_BIO_NEW_FILE, BIO_R_NO_SUCH_FILE);
         else
             BIOerr(BIO_F_BIO_NEW_FILE, ERR_R_SYS_LIB);