$OpenBSD: patch-src_common_mm_multi_file_io_cpp,v 1.1 2013/03/08 01:32:25 brad Exp $

adapt patch from https://github.com/mbunkus/mkvtoolnix/blob/master/src/common/mm_multi_file_io.cpp

--- src/common/mm_multi_file_io.cpp.orig	Thu Nov 22 14:26:26 2012
+++ src/common/mm_multi_file_io.cpp	Thu Nov 22 14:31:59 2012
@@ -155,14 +155,17 @@ mm_multi_file_io_c::create_verbose_identification_info
 
 void
 mm_multi_file_io_c::display_other_file_info() {
-  std::vector<std::string> file_names;
+  std::stringstream out;
 
   foreach(const mm_multi_file_io_c::file_t &file, m_files)
-    if (file.m_file_name != m_files.front().m_file_name)
-      file_names.push_back(file.m_file_name.leaf());
+    if (file.m_file_name != m_files.front().m_file_name) {
+      if (!out.str().empty())
+        out << ", ";
+      out << file.m_file_name.filename();
+    }
 
-  if (!file_names.empty())
-    mxinfo(boost::format(Y("'%1%': Processing the following files as well: %2%\n")) % m_display_file_name % join(", ", file_names));
+  if (!out.str().empty())
+    mxinfo(boost::format(Y("'%1%': Processing the following files as well: %2%\n")) % m_display_file_name % out.str());
 }
 
 struct path_sorter_t {
