stubs: move monitor_fdsets_cleanup with other fdset stubs

Even though monitor_get_fd() has to remain separate because it is mocked by
tests/unit/test-util-sockets, monitor_fdsets_cleanup() is logically part
of the stubs for monitor/fds.c, so move it there.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240408155330.522792-19-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

stubs/fdset.c

@@ -1,5 +1,7 @@
 #include "qemu/osdep.h"
+#include "qapi/error.h"
 #include "monitor/monitor.h"
+#include "../monitor/monitor-internal.h"
 
 int monitor_fdset_dup_fd_add(int64_t fdset_id, int flags)
 {
@@ -15,3 +17,7 @@ int64_t monitor_fdset_dup_fd_find(int dup_fd)
 void monitor_fdset_dup_fd_remove(int dupfd)
 {
 }
+
+void monitor_fdsets_cleanup(void)
+{
+}

stubs/monitor-internal.c

@@ -1,7 +1,6 @@
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "monitor/monitor.h"
-#include "../monitor/monitor-internal.h"
 
 int monitor_get_fd(Monitor *mon, const char *name, Error **errp)
 {
@@ -12,7 +11,3 @@ int monitor_get_fd(Monitor *mon, const char *name, Error **errp)
 void monitor_init_hmp(Chardev *chr, bool use_readline, Error **errp)
 {
 }
-
-void monitor_fdsets_cleanup(void)
-{
-}