qtlsbackend_openssl: use QFile::decodeName()

... instead of reyling on the QByteArray to QString implicit conversion.

Pick-to: 6.9
Change-Id: Ia9e8026f2962009d9deac044e42b18f6333cfec1
Reviewed-by: Mårten Nordheim <[email protected]>

Author: Ahmad Samir

src/plugins/tls/openssl/qtlsbackend_openssl.cpp

@@ -394,8 +394,8 @@ QList<QSslCertificate> systemCaCertificates()
         static const QStringList nameFilters = {u"*.pem"_s, u"*.crt"_s};
         using F = QDirListing::IteratorFlag;
         constexpr auto flags = F::FilesOnly | F::ResolveSymlinks; // Files and symlinks to files
-        for (const auto &directory : directories) {
-            for (const auto &dirEntry : QDirListing(directory, nameFilters, flags)) {
+        for (const QByteArray &directory : directories) {
+            for (const auto &dirEntry : QDirListing(QFile::decodeName(directory), nameFilters, flags)) {
                 // use canonical path here to not load the same certificate twice if symlinked
                 certFiles.insert(dirEntry.canonicalFilePath());
             }