[be/memory][xs]: micro fix for null fields.
[be/memory][xs]: micro fix for null fields.

okfn/recline,NuCivic/recline.js,GerHobbelt/recline,acouch/recline,GerHobbelt/recline,beni55/recline,modulexcite/recline,rjsteinert/recline,okfn/recline,gotjoshua/recline,beni55/recline,modulexcite/recline,acouch/recline,rjsteinert/recline,gotjoshua/recline,boban-dj/recline,boban-dj/recline,huangciyin/reclinejs-requirejs,GerHobbelt/recline,gotjoshua/recline,NuCivic/recline.js,boban-dj/recline,huangciyin/reclinejs-requirejs,modulexcite/recline,acouch/recline,okfn/recline,beni55/recline,NuCivic/recline.js,rjsteinert/recline