Fixes lint issues with #647

Author: Steve Ramage

CONTRIBUTING.md

@@ -11,7 +11,7 @@
   1. Write awesome code ...
   1. `make test` to run all tests against all database versions
   1. Push code and open Pull Request
- 
+ :wq
 Some more helpful commands:
 
   * You can specify which database/ source tests to run:

database/mongodb/mongodb.go

@@ -36,7 +36,7 @@ const LockIndexName = "lock_unique_key"                  // the name of the inde
 const contextWaitTimeout = 5 * time.Second               // how long to wait for the request to mongo to block/wait for.
 
 var (
-	ErrNoDatabaseName = fmt.Errorf("no database name")
+	ErrNoDatabaseName        = fmt.Errorf("no database name")
 	ErrNilConfig             = fmt.Errorf("no config")
 	ErrTypoAndNotNonTypoUsed = fmt.Errorf("both x-advisory-lock-timeout-interval and x-advisory-lock-timout-interval were specified")
 )
@@ -146,9 +146,9 @@ func (m *Mongo) Open(dsn string) (database.Driver, error) {
 
 	lockTimeout := lockTimeoutIntervalValue
 
-	if (lockTimeoutIntervalValue != "" && lockTimeoutIntervalValueFromTypo != "") {
+	if lockTimeoutIntervalValue != "" && lockTimeoutIntervalValueFromTypo != "" {
 		return nil, ErrTypoAndNotNonTypoUsed
-	} else if (lockTimeoutIntervalValueFromTypo != "") {
+	} else if lockTimeoutIntervalValueFromTypo != "" {
 		lockTimeout = lockTimeoutIntervalValueFromTypo
 	}