io/task: Move 'qom/object.h' header to source

We need "qom/object.h" to call object_ref()/object_unref(),
and to test the TYPE_DUMMY.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200504115656.6045-3-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/io/task.c b/io/task.c
index 1ae7b86488..53c0bed686 100644
--- a/io/task.c
+++ b/io/task.c
@@ -22,6 +22,7 @@
 #include "io/task.h"
 #include "qapi/error.h"
 #include "qemu/thread.h"
+#include "qom/object.h"
 #include "trace.h"
 
 struct QIOTaskThreadData {