"custom struct" is not supported type for formData

[lzw5399]

Describe the bug
There is a API receive the formData param, I tried the following screenshots behavior but got the error msg.
Thanks in advance^-^

To Reproduce
Steps to reproduce the behavior:

1. define the swag annotations as below
2. swag init
3. saw the error

Expected behavior
I have seen this issue #300 , it seems this feature should be supported in the latest swag release. Did I miss something?

Screenshots

Your swag version
1.6.7

Your go version
1.15.2

Desktop (please complete the following information):

• OS: WIN 10

[lzw5399]

Oh, swag 1.6.7 was released in June. Looking forward the new release. I will close it...

[j-ibarra]

swag version v1.7.0

how implement file request whit swaggertype:"file"?

example

when i generate the spec the output its :file is not basic types

to work I have to ignore the property on structure

and define the file whit Param

but we should be able to define with type swaggertype:"file"