Fix incremental player saving check

patches/server/Incremental-player-saving.patch

@@ -116,7 +116,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
          for (int i = 0; i < this.players.size(); ++i) {
 -            this.save(this.players.get(i));
 +            ServerPlayer entityplayer = this.players.get(i);
-+            if (interval != -1 || now - entityplayer.lastSave >= interval) {
++            if (interval == -1 || now - entityplayer.lastSave >= interval) {
 +                this.save(entityplayer);
 +                if (interval != -1 && ++numSaved <= com.destroystokyo.paper.PaperConfig.maxPlayerAutoSavePerTick) { break; }
 +            }