Fix apparent copy/paste typo

...present ever since the code got introduced in
569269078576fa832143ec4f0bf03283ff358f48 "improve the update checker"

Change-Id: I38d0efee3cb3f6954dd30690ba9afddf0b66c959
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/160348
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <stephan.bergmann@allotropia.de>
diff --git a/desktop/source/app/updater.cxx b/desktop/source/app/updater.cxx
index 1af82cf..0cd95da 100644
--- a/desktop/source/app/updater.cxx
+++ b/desktop/source/app/updater.cxx
@@ -477,7 +477,7 @@ update_info parse_response(const std::string& rResponse)
    }

    orcus::json::node aLanguageNode = aDocumentRoot.child("languages");
    if (aUpdateNode.type() != orcus::json::node_t::object)
    if (aLanguageNode.type() != orcus::json::node_t::object)
    {
        throw invalid_update_info();
    }