qemu-fsdev-dummy.c: Include module.h

module.h is where machine_init() is defined, but qemu-fsdev-dummy.c
doesn't include it.

The header is probably being included by accident because some other
headers are including qemu-common.h, but those headers should eventually
stop including qemu-common.h.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>

fsdev/qemu-fsdev-dummy.c

@@ -14,6 +14,7 @@
 #include <string.h>
 #include "qemu-fsdev.h"
 #include "qemu-config.h"
+#include "module.h"
 
 int qemu_fsdev_add(QemuOpts *opts)
 {