--- a/pkg/auth/session.go	Sun Nov 25 16:26:41 2018 +0100
+++ b/pkg/auth/session.go	Sun Nov 25 17:05:19 2018 +0100
@@ -124,16 +124,16 @@
 	return nil
 }
 
-func (c *Session) touch() {
-	c.mu.Lock()
-	c.access = time.Now()
-	c.mu.Unlock()
+func (s *Session) touch() {
+	s.mu.Lock()
+	s.access = time.Now()
+	s.mu.Unlock()
 }
 
-func (c *Session) last() time.Time {
-	c.mu.Lock()
-	access := c.access
-	c.mu.Unlock()
+func (s *Session) last() time.Time {
+	s.mu.Lock()
+	access := s.access
+	s.mu.Unlock()
 	return access
 }