Bump cfssl to be compatible with Go 1.10

vendor/github.com/cloudflare/cfssl/certdb/README.md

@@ -16,21 +16,26 @@ A database is required for the following:
 
 This directory stores [goose](https://bitbucket.org/liamstask/goose/) db migration scripts for various DB backends.
 Currently supported:
- - SQLite in sqlite
+ - MySQL in mysql
  - PostgreSQL in pg
+ - SQLite in sqlite
 
 ### Get goose
 
-    go get https://bitbucket.org/liamstask/goose/
+    go get bitbucket.org/liamstask/goose/cmd/goose
 
-### Use goose to start and terminate a SQLite DB
-To start a SQLite DB using goose:
+### Use goose to start and terminate a MySQL DB
+To start a MySQL using goose:
 
-    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/sqlite up'
+    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/mysql up
 
-To tear down a SQLite DB using goose
+To tear down a MySQL DB using goose
 
-    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/sqlite down
+    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/mysql down
+
+Note: the administration of MySQL DB is not included. We assume
+the databases being connected to are already created and access control
+is properly handled.
 
 ### Use goose to start and terminate a PostgreSQL DB
 To start a PostgreSQL using goose:
@@ -43,7 +48,16 @@ To tear down a PostgreSQL DB using goose
 
 Note: the administration of PostgreSQL DB is not included. We assume
 the databases being connected to are already created and access control
-are properly handled.
+is properly handled.
+
+### Use goose to start and terminate a SQLite DB
+To start a SQLite DB using goose:
+
+    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/sqlite up
+
+To tear down a SQLite DB using goose
+
+    goose -path $GOPATH/src/github.com/cloudflare/cfssl/certdb/sqlite down
 
 ## CFSSL Configuration
 
@@ -55,4 +69,7 @@ JSON dictionary:
 or
 
     {"driver":"postgres","data_source":"postgres://user:password@host/db"}
+ 
+or
 
+    {"driver":"mysql","data_source":"user:password@tcp(hostname:3306)/db?parseTime=true"}

vendor/github.com/cloudflare/cfssl/certdb/certdb.go

@@ -31,6 +31,8 @@ type Accessor interface {
 	InsertCertificate(cr CertificateRecord) error
 	GetCertificate(serial, aki string) ([]CertificateRecord, error)
 	GetUnexpiredCertificates() ([]CertificateRecord, error)
+	GetRevokedAndUnexpiredCertificates() ([]CertificateRecord, error)
+	GetRevokedAndUnexpiredCertificatesByLabel(label string) ([]CertificateRecord, error)
 	RevokeCertificate(serial, aki string, reasonCode int) error
 	InsertOCSP(rr OCSPRecord) error
 	GetOCSP(serial, aki string) ([]OCSPRecord, error)