reduce maximum message size since 253000 is beyond the max.

git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@818 fd59a12c-fef9-0310-b244-a6a79926bd2f

test/testevs.c

@@ -86,7 +86,7 @@ struct evs_group groups[3] = {
 	{ "key3" }
 };
 
-char buffer[253000];
+char buffer[200000];
 struct iovec iov = {
 	.iov_base = buffer,
 	.iov_len = sizeof (buffer)