commit 5645064bb35802aa9e9167cac5223fddb8852859
Author: Vincent Untz <vuntz@gnome.org>
Date:   Wed Oct 12 11:46:54 2011 +0200

    Correctly initialize the variables when checking version update
    
    Else, we end up with non-initialized memory and "Cannot upgrade from
    version <random data>".
    
    https://bugzilla.gnome.org/show_bug.cgi?id=661542

diff --git a/shell/e-shell-migrate.c b/shell/e-shell-migrate.c
index 89f94b0..dd75a40 100644
--- a/shell/e-shell-migrate.c
+++ b/shell/e-shell-migrate.c
@@ -739,6 +739,10 @@ shell_migrate_get_version (EShell *shell,
 	const gchar *key;
 	gchar *string;
 
+	*major = 0;
+	*minor = 0;
+	*micro = 0;
+
 	key = GCONF_VERSION_KEY;
 	client = e_shell_get_gconf_client (shell);
 	string = gconf_client_get_string (client, key, NULL);
@@ -747,12 +751,6 @@ shell_migrate_get_version (EShell *shell,
 		/* Since 1.4.0 we've kept the version key in GConf. */
 		sscanf (string, "%d.%d.%d", major, minor, micro);
 		g_free (string);
-
-	} else {
-		/* Otherwise, assume it's a new installation. */
-		*major = 0;
-		*minor = 0;
-		*micro = 0;
 	}
 }