tdf#39468 Translate German comment

Change-Id: I6f31eb7fb2329c142442caa90c91be0fd4d4fbd5
Reviewed-on: https://gerrit.libreoffice.org/66251
Tested-by: Jenkins
Reviewed-by: Jens Carl <j.carl43@gmx.de>

sc/source/ui/unoobj/datauno.cxx

@@ -2216,7 +2216,7 @@ sal_Int32 SAL_CALL ScDatabaseRangesObj::getCount()
 {
     SolarMutexGuard aGuard;
 
-    //! "unbenannt" weglassen ?
+    //! need to omit "unnamed"?
 
     if (pDocShell)
     {