player: don't mix designated and undesignated initializers

src/player/play.cpp

@@ -78,7 +78,10 @@ auto perframe(struct ncvisual* ncv, struct ncvisual_options* vopts,
         .x = 0,
         .rows = 1,
         .cols = dimx,
-        nullptr, "subt", nullptr, 0,
+        .userptr = nullptr,
+        .name = "subt",
+        .resizecb = nullptr,
+        .flags = 0,
       };
       marsh->subtitle_plane = ncplane_create(notcurses_stdplane(nc), &nopts);
       uint64_t channels = 0;