Update golang.org/x/crypto commit hash to a4c6cb3

Author: renovate-bot

go.mod

@@ -26,7 +26,7 @@ require (
 	github.com/pkg/errors v0.8.1 // indirect
 	github.com/posener/complete v1.2.1 // indirect
 	github.com/zclconf/go-cty v0.0.0-20190212192503-19dda139b164 // indirect
-	golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67 // indirect
+	golang.org/x/crypto v0.0.0-20190219175951-a4c6cb3142f2 // indirect
 	golang.org/x/net v0.0.0-20190213061140-3a22650c66bd // indirect
 	golang.org/x/sys v0.0.0-20190213121743-983097b1a8a3 // indirect
 	golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2 // indirect

go.sum

@@ -179,8 +179,8 @@ github.com/zclconf/go-cty v0.0.0-20190124225737-a385d646c1e9/go.mod h1:xnAOWiHeO
 github.com/zclconf/go-cty v0.0.0-20190212192503-19dda139b164 h1:H/K552vgSGWF1LOtDOsBa+i9ZttdABUfACdsQZ87/Ds=
 github.com/zclconf/go-cty v0.0.0-20190212192503-19dda139b164/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
 golang.org/x/crypto v0.0.0-20180816225734-aabede6cba87/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67 h1:ng3VDlRp5/DHpSWl02R4rM9I+8M2rhmsuLwAMmkLQWE=
-golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/crypto v0.0.0-20190219175951-a4c6cb3142f2 h1:GxSsN/OrN/IZMIjMRxfuVr9NRA90E/h9sJjbWNSS0rE=
+golang.org/x/crypto v0.0.0-20190219175951-a4c6cb3142f2/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=

vendor/modules.txt

@@ -197,7 +197,7 @@ github.com/zclconf/go-cty/cty/function/stdlib
 github.com/zclconf/go-cty/cty/set
 github.com/zclconf/go-cty/cty/gocty
 github.com/zclconf/go-cty/cty/json
-# golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67
+# golang.org/x/crypto v0.0.0-20190219175951-a4c6cb3142f2
 golang.org/x/crypto/openpgp
 golang.org/x/crypto/bcrypt
 golang.org/x/crypto/ssh