Bugfix - Redirect fixed path

[kimkit]

package main

import (
        "log"

        "github.com/fasthttp/router"
        "github.com/valyala/fasthttp"
)

func hello(ctx *fasthttp.RequestCtx) {
        // todo
}

func main() {
        r := router.New()
        r.GET("/hello/{a}/{b}/{c}", hello)
        r.ServeFiles("/{filepath:*}", "static")

        log.Fatal(fasthttp.ListenAndServe(":18080", r.Handler))
}

$ curl -v http://localhost:18080/hello/a
* About to connect() to localhost port 18080 (#0)
*   Trying 127.0.0.1...
* Connected to localhost (127.0.0.1) port 18080 (#0)
> GET /hello/a HTTP/1.1
> User-Agent: curl/7.29.0
> Host: localhost:18080
> Accept: */*
> 
< HTTP/1.1 301 Moved Permanently
< Server: fasthttp
< Date: Thu, 18 Mar 2021 09:00:12 GMT
< Content-Length: 0
< Location: http://localhost:18080/hhello/a
< 
* Connection #0 to host localhost left intact

The location url is error.

[coveralls]

Pull Request Test Coverage Report for Build 240

• 16 of 16 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build 236:	0.0%
Covered Lines:	982
Relevant Lines:	982

---

💛 - Coveralls

[savsgio]

Hi @kimkit,

Please, fix the tests and coverage. After, I will merge the PR.

[kimkit]

@savsgio Can you merge the PR and create a tag, thanks.

[savsgio]

@kimkit Thanks!