server: Post a message to the desktop window when the cursor clip rectangle changes.
diff --git a/server/request.h b/server/request.h
index c2104e9..0133af7 100644
--- a/server/request.h
+++ b/server/request.h
@@ -2097,7 +2097,8 @@
 C_ASSERT( FIELD_OFFSET(struct set_cursor_request, x) == 24 );
 C_ASSERT( FIELD_OFFSET(struct set_cursor_request, y) == 28 );
 C_ASSERT( FIELD_OFFSET(struct set_cursor_request, clip) == 32 );
-C_ASSERT( sizeof(struct set_cursor_request) == 48 );
+C_ASSERT( FIELD_OFFSET(struct set_cursor_request, clip_msg) == 48 );
+C_ASSERT( sizeof(struct set_cursor_request) == 56 );
 C_ASSERT( FIELD_OFFSET(struct set_cursor_reply, prev_handle) == 8 );
 C_ASSERT( FIELD_OFFSET(struct set_cursor_reply, prev_count) == 12 );
 C_ASSERT( FIELD_OFFSET(struct set_cursor_reply, new_x) == 16 );