Upgrade gotils

Author: Sergio Andres Virviescas Santana

go.mod

@@ -3,7 +3,7 @@ module github.com/fasthttp/router
 go 1.12
 
 require (
-	github.com/savsgio/gotils v0.0.0-20210104112019-96a5e1e9898f
+	github.com/savsgio/gotils v0.0.0-20210105085219-0567298fdcac
 	github.com/valyala/bytebufferpool v1.0.0
 	github.com/valyala/fasthttp v1.19.0
 )

go.sum

@@ -2,8 +2,8 @@ github.com/andybalholm/brotli v1.0.0 h1:7UCwP93aiSfvWpapti8g88vVVGp2qqtGyePsSuDa
 github.com/andybalholm/brotli v1.0.0/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
 github.com/klauspost/compress v1.10.7 h1:7rix8v8GpI3ZBb0nSozFRgbtXKv+hOe+qfEpZqybrAg=
 github.com/klauspost/compress v1.10.7/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
-github.com/savsgio/gotils v0.0.0-20210104112019-96a5e1e9898f h1:MlVk9SWHScKX//xsHudKurgtyVOmD06TLYKnuTPNK4g=
-github.com/savsgio/gotils v0.0.0-20210104112019-96a5e1e9898f/go.mod h1:TWNAOTaVzGOXq8RbEvHnhzA/A2sLZzgn0m6URjnukY8=
+github.com/savsgio/gotils v0.0.0-20210105085219-0567298fdcac h1:5pr1F6tcjeIKPKlrQZW6hzB0WxZge7SkkYVGG/e5pLY=
+github.com/savsgio/gotils v0.0.0-20210105085219-0567298fdcac/go.mod h1:TWNAOTaVzGOXq8RbEvHnhzA/A2sLZzgn0m6URjnukY8=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasthttp v1.19.0 h1:PfTS4PeH3xDr3WomrDS2ID8lU2GskK1xS3YG6gIpibU=