check-qstring: remove check.h include

Reported-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

check-qstring.c

@@ -9,7 +9,7 @@
  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
  * See the COPYING.LIB file in the top-level directory.
  */
-#include <check.h>
+#include <glib.h>
 
 #include "qstring.h"
 #include "qemu-common.h"