Clean up uses of SAL_U/SAL_W: desktop

Change-Id: Ie1f5407a347a19c000793bf83e3545d566937d72
diff --git a/desktop/source/app/crashreport.cxx b/desktop/source/app/crashreport.cxx
index 678f433..a12249d 100644
--- a/desktop/source/app/crashreport.cxx
+++ b/desktop/source/app/crashreport.cxx
@@ -122,7 +122,8 @@ void CrashReporter::updateMinidumpLocation()
    mpExceptionHandler->set_minidump_descriptor(descriptor);
#elif defined WNT
    OUString aURL = getCrashDirectory();
    mpExceptionHandler->set_dump_path(SAL_W(aURL.getStr()));
    mpExceptionHandler->set_dump_path(
        reinterpret_cast<wchar_t const *>(aURL.getStr()));
#endif
}