Fix up non-valgrind case to send stderr to file like valgrind case does.

(Having trouble with signal delivery and valgrind, causing spurious test
timeouts)
Signed-off-by: Rusty Russel <rusty@rustcorp.com.au>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>

tools/xenstore/testsuite/test.sh

@@ -14,7 +14,10 @@ run_test()
 	PID=`cat /tmp/pid`
 	rm /tmp/pid
     else
-	PID=`./xenstored_test --output-pid`
+	./xenstored_test --output-pid --trace-file=testsuite/tmp/trace --no-fork > /tmp/pid 2> testsuite/tmp/xenstored_errors &
+	while [ ! -s /tmp/pid ]; do sleep 0; done
+	PID=`cat /tmp/pid`
+	rm /tmp/pid
     fi
     if sh -e $2 $1; then
 	if [ -s testsuite/tmp/vgout ]; then