Fix typo

Change-Id: Ibae0cf4ef91c8b830447c999306a60dea3334ad6
Reviewed-on: https://gerrit.libreoffice.org/70440
Tested-by: Jenkins
Reviewed-by: Jens Carl <j.carl43@gmx.de>

fpicker/source/win32/VistaFilePickerImpl.cxx

@@ -763,7 +763,7 @@ void VistaFilePickerImpl::impl_sta_SetDirectory(const RequestRef& rRequest)
         // Vista stores last used folders for file dialogs
         // so we don't want the application to change the folder
         // in most cases.
-        // Store the requested folder in the mean time and decide later
+        // Store the requested folder in the meantime and decide later
         // what to do
         m_sDirectory = sDirectory;
     }