[evolution] Remove unused variable.

[Matthew Barnes <mbarnes src gnome org>]

commit c808d30fbc0aa45163e34584d6fd2c038279ea3d
Author: Matthew Barnes <mbarnes redhat com>
Date:   Wed Jul 28 10:24:31 2010 -0400

    Remove unused variable.

 mail/e-mail-backend.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/mail/e-mail-backend.c b/mail/e-mail-backend.c
index 14a7d22..5b5c8d0 100644
--- a/mail/e-mail-backend.c
+++ b/mail/e-mail-backend.c
@@ -385,7 +385,6 @@ mail_backend_constructed (GObject *object)
 	EShell *shell;
 	EShellBackend *shell_backend;
 	MailFolderCache *folder_cache;
-	const gchar *data_dir;
 
 	shell_backend = E_SHELL_BACKEND (object);
 	shell = e_shell_backend_get_shell (shell_backend);