[evolution] ETable: Fix a leak of an ETreeModel

[Milan Crha <mcrha src gnome org>]

commit 9fd7f3671aee3467301888220bf980a5e4bbd138
Author: Milan Crha <mcrha redhat com>
Date:   Tue Sep 30 18:09:03 2014 +0200

    ETable: Fix a leak of an ETreeModel
    
    There were added two references to the ETreeModel, one at et_real_construct(),
    the other at e_table_construct(), but only one of them had been removed,
    which effectively caused a leak of the ETreeModel instance.

 e-util/e-table.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/e-util/e-table.c b/e-util/e-table.c
index 10c370d..5780c23 100644
--- a/e-util/e-table.c
+++ b/e-util/e-table.c
@@ -1903,8 +1903,6 @@ e_table_construct (ETable *e_table,
        g_return_val_if_fail (ete == NULL || E_IS_TABLE_EXTRAS (ete), NULL);
        g_return_val_if_fail (E_IS_TABLE_SPECIFICATION (specification), NULL);
 
-       g_object_ref (etm);
-
        state = g_object_ref (specification->state);
 
        e_table = et_real_construct (e_table, etm, ete, specification, state);