misc: move include files to include/qemu/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/include/ui/spice-display.h b/include/ui/spice-display.h
index 928e0a1..a0d1a50 100644
--- a/include/ui/spice-display.h
+++ b/include/ui/spice-display.h
@@ -19,7 +19,7 @@
 #include <spice/enums.h>
 #include <spice/qxl_dev.h>
 
-#include "qemu-thread.h"
+#include "qemu/thread.h"
 #include "ui/qemu-pixman.h"
 #include "sysemu.h"