updater: fix incorrect installation directory path

With this change one step updates are finally working correctly.

Change-Id: I41a33b670039adc85a24de713bd0938d99da6662
Reviewed-on: https://gerrit.libreoffice.org/40660Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

desktop/source/app/updater.cxx

@@ -154,9 +154,8 @@ char** createCommandLine()
     }
     {
         // the actual update directory
-        OUString aInstallPath = getPathFromURL(aInstallDir);
-        Updater::log("Install Dir: " + aInstallPath);
-        createStr(aInstallPath, pArgs, 2);
+        Updater::log("Install Dir: " + aInstallDir);
+        createStr(aInstallDir, pArgs, 2);
     }
     {
         // the temporary updated build