libqtest: Fix qmp() & friends to abort on JSON parse errors

Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
Reviewed-by: NKevin Wolf <kwolf@redhat.com>
Message-Id: <1488317230-26248-10-git-send-email-armbru@redhat.com>

tests/libqtest.c

@@ -21,6 +21,7 @@
 #include <sys/wait.h>
 #include <sys/un.h>
 
+#include "qapi/error.h"
 #include "qapi/qmp/json-parser.h"
 #include "qapi/qmp/json-streamer.h"
 #include "qapi/qmp/qjson.h"
@@ -442,7 +443,7 @@ void qmp_fd_sendv(int fd, const char *fmt, va_list ap)
      * is an array type.
      */
     va_copy(ap_copy, ap);
-    qobj = qobject_from_jsonv(fmt, &ap_copy, NULL);
+    qobj = qobject_from_jsonv(fmt, &ap_copy, &error_abort);
     va_end(ap_copy);
 
     /* No need to send anything for an empty QObject.  */