[geary] Log total and reserved sessions in ClientSessionManager

[Jim Nelson <jnelson src gnome org>]

commit aa97d2caab7905bf43743fb39fef81eaa6c8ef5f
Author: Jim Nelson <jim yorba org>
Date:   Fri Mar 13 14:03:01 2015 -0700

    Log total and reserved sessions in ClientSessionManager

 .../transport/imap-client-session-manager.vala     |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/engine/imap/transport/imap-client-session-manager.vala 
b/src/engine/imap/transport/imap-client-session-manager.vala
index 8d0dbee..39f87f5 100644
--- a/src/engine/imap/transport/imap-client-session-manager.vala
+++ b/src/engine/imap/transport/imap-client-session-manager.vala
@@ -563,7 +563,8 @@ public class Geary.Imap.ClientSessionManager : BaseObject {
      * Use only for debugging and logging.
      */
     public string to_string() {
-        return endpoint.to_string();
+        return "ClientSessionManager/%s %d sessions, %d reserved".printf(endpoint.to_string(),
+            sessions.size, reserved_sessions.size);
     }
 }