pkg/services: fix ineffassign issues

pkg/services/sqlstore/user.go

@@ -168,11 +168,9 @@ func GetUserByLogin(query *m.GetUserByLoginQuery) error {
 		return m.ErrUserNotFound
 	}
 
-	user := new(m.User)
-
 	// Try and find the user by login first.
 	// It's not sufficient to assume that a LoginOrEmail with an "@" is an email.
-	user = &m.User{Login: query.LoginOrEmail}
+	user := &m.User{Login: query.LoginOrEmail}
 	has, err := x.Get(user)
 
 	if err != nil {
@@ -202,9 +200,7 @@ func GetUserByEmail(query *m.GetUserByEmailQuery) error {
 		return m.ErrUserNotFound
 	}
 
-	user := new(m.User)
-
-	user = &m.User{Email: query.Email}
+	user := &m.User{Email: query.Email}
 	has, err := x.Get(user)
 
 	if err != nil {