fix srcset handler in html rewriter

proxychain/requestmodifers/forward_request_headers.go

@@ -19,11 +19,12 @@ func init() {
 		"x-forwarded-for":   true,
 		"x-real-ip":         true,
 		"forwarded":         true,
+		"accept-encoding":   true,
 	}
 }
 
 // ForwardRequestHeaders forwards the requests headers sent from the client to the upstream server
-func ForwardRequestHeaders(ua string) proxychain.RequestModification {
+func ForwardRequestHeaders() proxychain.RequestModification {
 	return func(chain *proxychain.ProxyChain) error {
 
 		forwardHeaders := func(key, value []byte) {
@@ -32,6 +33,7 @@ func ForwardRequestHeaders(ua string) proxychain.RequestModification {
 			if forwardBlacklist[k] {
 				return
 			}
+			//fmt.Println(k, v)
 			chain.Request.Header.Set(k, v)
 		}