fix: body object without package name use default package name

[sdghchj]

Describe the PR
body object without package name in param comments use default package name

Relation issue
code:

// @summary
// @description
// @router /aaa [post]
// @Param test body Wrapper false "test"
// @success 200
func Handler() {
}

type Wrapper struct {
	Test int
}

before PR:

{
    "swagger": "2.0",
    "info": {
        "contact": {},
        "license": {}
    },
    "basePath": "/",
    "paths": {
        "/aaa": {
            "post": {
                "parameters": [
                    {
                        "description": "test",
                        "name": "test",
                        "in": "body",
                        "schema": {
                            "$ref": "#/definitions/Wrapper"
                        }
                    }
                ],
                "responses": {
                    "200": {}
                }
            }
        }
    }
}

after PR:

{
    "swagger": "2.0",
    "info": {
        "contact": {},
        "license": {}
    },
    "basePath": "/",
    "paths": {
        "/aaa": {
            "post": {
                "parameters": [
                    {
                        "description": "test",
                        "name": "test",
                        "in": "body",
                        "schema": {
                            "$ref": "#/definitions/main.Wrapper"
                        }
                    }
                ],
                "responses": {
                    "200": {}
                }
            }
        }
    },
    "definitions": {
        "main.Wrapper": {
            "type": "object",
            "properties": {
                "test": {
                    "type": "integer"
                }
            }
        }
    }
}

[codecov-io]

Codecov Report

Merging #591 into master will increase coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #591      +/-   ##
==========================================
+ Coverage   85.99%   86.01%   +0.01%     
==========================================
  Files           7        7              
  Lines        1635     1637       +2     
==========================================
+ Hits         1406     1408       +2     
  Misses        144      144              
  Partials       85       85

Impacted Files	Coverage Δ
gen/gen.go	96.74% <100%> (+0.05%)	⬆️

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[easonlin404]

can I know why there is a need to use the default package name?

[sdghchj]

can I know why there is a need to use the default package name?

for "@success" have already been

[easonlin404]

LGTM

[easonlin404]

@sdghchj Thanks, man. 👍