fix: table custom expandIcon function not work #751

Author: tangjinzhou

Diff for: components/table/interface.js

@@ -126,6 +126,7 @@ export const TableProps = {
   scroll: PropTypes.object,
   childrenColumnName: PropTypes.oneOfType([PropTypes.array, PropTypes.string]),
   bodyStyle: PropTypes.any,
+  expandIcon: PropTypes.func,
   // className?: PropTypes.string,
   // style?: React.CSSProperties;
   // children?: React.ReactNode;