update proxyproto to v0.1.3

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

go.mod

@@ -20,7 +20,7 @@ require (
 	github.com/mitchellh/mapstructure v1.2.2 // indirect
 	github.com/nathanaelle/password/v2 v2.0.1
 	github.com/pelletier/go-toml v1.7.0 // indirect
-	github.com/pires/go-proxyproto v0.0.0-20200402183925-afa328f5c7c0
+	github.com/pires/go-proxyproto v0.1.3
 	github.com/pkg/sftp v1.11.1-0.20200310224833-18dc4db7a456
 	github.com/prometheus/client_golang v1.5.1
 	github.com/prometheus/procfs v0.0.11 // indirect

go.sum

@@ -189,8 +189,8 @@ github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
 github.com/pelletier/go-toml v1.7.0 h1:7utD74fnzVc/cpcyy8sjrlFr5vYpypUixARcHIMIGuI=
 github.com/pelletier/go-toml v1.7.0/go.mod h1:vwGMzjaWMwyfHwgIBhI2YUM4fB6nL6lVAvS1LBMMhTE=
-github.com/pires/go-proxyproto v0.0.0-20200402183925-afa328f5c7c0 h1:5Z53/qyFXeQQ4QIIIxPJVlKGZoRB86j5QKDMzGjI62M=
-github.com/pires/go-proxyproto v0.0.0-20200402183925-afa328f5c7c0/go.mod h1:Odh9VFOZJCf9G8cLW5o435Xf1J95Jw9Gw5rnCjcwzAY=
+github.com/pires/go-proxyproto v0.1.3 h1:2XEuhsQluSNA5QIQkiUv8PfgZ51sNYIQkq/yFquiSQM=
+github.com/pires/go-proxyproto v0.1.3/go.mod h1:Odh9VFOZJCf9G8cLW5o435Xf1J95Jw9Gw5rnCjcwzAY=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=