Update to 7-Zip 17.01 Beta from Igor Pavlov

- Minor speed optimization for LZMA2 (xz and 7z) multi-threading compression.
  7-Zip now uses additional memory buffers for multi-block LZMA2 compression.
  CPU utilization was slightly improved.
- 7-zip now creates multi-block xz archives by default. Block size can be
  specified with -ms[Size]{m|g} switch.
- xz decoder now can unpack random block from multi-block xz archives.  7-Zip
  File Manager now can open nested multi-block xz archives (for example,
  image.iso.xz) without full unpacking of xz archive.
- 7-Zip now can create zip archives from stdin to stdout.
- 7-Zip command line: @listfile now doesn't work after -- switch.  Use
  -i@listfile before -- switch instead.

fixed bugs:
- 7-Zip could add unrequired alternate file streams to WIM archives, for
  commands that contain filename wildcards and -sns switch.
- 7-Zip 17.00 beta crashed for commands that write anti-item to 7z archive.
- 7-Zip 17.00 beta ignored "Use large memory pages" option.

CPP/7zip/UI/Console/ExtractCallbackConsole.cpp

@@ -114,6 +114,39 @@ void Print_DirItemsStat(AString &s, const CDirItemsStat &st)
   }
 }
 
+
+void Print_DirItemsStat2(AString &s, const CDirItemsStat2 &st)
+{
+  Print_DirItemsStat(s, (CDirItemsStat &)st);
+  bool needLF = true;
+  if (st.Anti_NumDirs != 0)
+  {
+    if (needLF)
+      s.Add_LF();
+    needLF = false;
+    Print_UInt64_and_String(s, st.Anti_NumDirs, st.Anti_NumDirs == 1 ? "anti-folder" : "anti-folders");
+  }
+  if (st.Anti_NumFiles != 0)
+  {
+    if (needLF)
+      s.Add_LF();
+    else
+      s += ", ";
+    needLF = false;
+    Print_UInt64_and_String(s, st.Anti_NumFiles, st.Anti_NumFiles == 1 ? "anti-file" : "anti-files");
+  }
+  if (st.Anti_NumAltStreams != 0)
+  {
+    if (needLF)
+      s.Add_LF();
+    else
+      s += ", ";
+    needLF = false;
+    Print_UInt64_and_String(s, st.Anti_NumAltStreams, "anti-alternate-streams");
+  }
+}
+
+
 void CExtractScanConsole::PrintStat(const CDirItemsStat &st)
 {
   if (_so)