[evolution] MessageList: Remove unneeded condition in an 'if' statement

[Milan Crha <mcrha src gnome org>]

commit 52ce3bcabd89e22b97a8cf152f5a5145ba235168
Author: Milan Crha <mcrha redhat com>
Date:   Tue Aug 30 12:47:32 2022 +0200

    MessageList: Remove unneeded condition in an 'if' statement
    
    Compilers can claim the condition is unneeded, because the variable
    is never NULL.

 src/mail/message-list.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/mail/message-list.c b/src/mail/message-list.c
index 1da5b812d3..df15616bcf 100644
--- a/src/mail/message-list.c
+++ b/src/mail/message-list.c
@@ -2164,7 +2164,7 @@ ml_tree_value_at_ex (ETreeModel *etm,
        case COL_USER_HEADER_3: {
                const gchar *name = NULL;
                guint index = col - COL_USER_HEADER_1;
-               if (message_list->priv->user_headers && index < message_list->priv->user_headers_count)
+               if (index < message_list->priv->user_headers_count)
                        name = message_list->priv->user_headers[index];
                if (name && *name)
                        return (gpointer) camel_message_info_dup_user_header (msg_info, name);