temporary hack to accept 0 length dst
temporary hack to accept 0 length dst

FossilOrigin-Name: b43e3fd3174a5d0b9a9d8bc0b7a07fbf463714a9458fbbb2df1ff76cd941d003
7u83/actube,7u83/actube,7u83/actube,7u83/actube,7u83/actube