Fix some extra or missing whitespaces...

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1618)
diff --git a/test/asynciotest.c b/test/asynciotest.c
index e147472..d4edd94 100644
--- a/test/asynciotest.c
+++ b/test/asynciotest.c
@@ -205,7 +205,7 @@
         /* Write any data we have left after fragmenting */
         ret = 0;
         if ((int)written < inl) {
-            ret = BIO_write(next, in + written , inl - written);
+            ret = BIO_write(next, in + written, inl - written);
         }
 
         if (ret <= 0 && BIO_should_write(next))