[evolution] Fix a memory leak in e_mail_store_save_initial_setup_sync()

[Milan Crha <mcrha src gnome org>]

commit fff4730ee334c867e77f678fbe6ca0b5e63936f9
Author: Milan Crha <mcrha redhat com>
Date:   Thu Nov 9 16:51:50 2017 +0100

    Fix a memory leak in e_mail_store_save_initial_setup_sync()

 src/libemail-engine/e-mail-store-utils.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/libemail-engine/e-mail-store-utils.c b/src/libemail-engine/e-mail-store-utils.c
index 11cc44f..cee8365 100644
--- a/src/libemail-engine/e-mail-store-utils.c
+++ b/src/libemail-engine/e-mail-store-utils.c
@@ -535,6 +535,8 @@ e_mail_store_save_initial_setup_sync (CamelStore *store,
                } else {
                        g_warning ("%s: Unknown source name '%s' given in '%s'", G_STRFUNC, keys[0], (const 
gchar *) key);
                }
+
+               g_strfreev (keys);
        }
 
        if (write_sources) {