Minor fixes

- fix Zstandard Sfx stuff -> SetNumberOfThreads()
- fix formatting of XXH32Reg.cpp and XXH64Reg.cpp
- add Blake2s hash to explorer context menu

CPP/7zip/Compress/ZstdDecoder.cpp

@@ -173,11 +173,6 @@ STDMETHODIMP CDecoder::SetInStream(ISequentialInStream * inStream)
   return S_OK;
 }
 
-STDMETHODIMP CDecoder::SetNumberOfThreads(UInt32 /* numThreads */)
-{
-  return S_OK;
-}
-
 STDMETHODIMP CDecoder::ReleaseInStream()
 {
   _inStream.Release();
@@ -185,6 +180,11 @@ STDMETHODIMP CDecoder::ReleaseInStream()
 }
 #endif
 
+STDMETHODIMP CDecoder::SetNumberOfThreads(UInt32 /* numThreads */)
+{
+  return S_OK;
+}
+
 HRESULT CDecoder::CodeResume(ISequentialOutStream * outStream, const UInt64 * outSize, ICompressProgressInfo * progress)
 {
   RINOK(SetOutStreamSizeResume(outSize));

CPP/7zip/UI/Explorer/ContextMenu.cpp

@@ -225,6 +225,7 @@ static const CHashCommand g_HashCommands[] =
   { CZipContextMenu::kHash_CRC64,   "CRC-64",  "CRC64" },
   { CZipContextMenu::kHash_SHA1,    "SHA-1",   "SHA1" },
   { CZipContextMenu::kHash_SHA256,  "SHA-256", "SHA256" },
+  { CZipContextMenu::kHash_BLAKE2s, "BLAKE2s", "BLAKE2s" },
   { CZipContextMenu::kHash_XXH32,   "XXH-32",  "XXH32" },
   { CZipContextMenu::kHash_XXH64,   "XXH-64",  "XXH64" },
   { CZipContextMenu::kHash_All,     "*",       "*" }
@@ -930,6 +931,7 @@ STDMETHODIMP CZipContextMenu::InvokeCommand(LPCMINVOKECOMMANDINFO commandInfo)
       case kHash_CRC64:
       case kHash_SHA1:
       case kHash_SHA256:
+      case kHash_BLAKE2s:
       case kHash_XXH32:
       case kHash_XXH64:
       case kHash_All:

CPP/7zip/UI/Explorer/ContextMenu.h

@@ -36,6 +36,7 @@ public:
     kHash_CRC64,
     kHash_SHA1,
     kHash_SHA256,
+    kHash_BLAKE2s,
     kHash_XXH32,
     kHash_XXH64,
     kHash_All

CPP/Common/XXH32Reg.cpp

@@ -41,4 +41,4 @@ STDMETHODIMP_(void) CXXH32Hasher::Final(Byte *digest) throw()
   SetUi32(digest, val);
 }
 
-REGISTER_HASHER(CXXH32Hasher, 0x202, "XXH32", 4)
+REGISTER_HASHER(CXXH32Hasher, 0x203, "XXH32", 4)

CPP/Common/XXH64Reg.cpp

@@ -41,4 +41,4 @@ STDMETHODIMP_(void) CXXH64Hasher::Final(Byte *digest) throw()
   SetUi64(digest, val);
 }
 
-REGISTER_HASHER(CXXH64Hasher, 0x203, "XXH64", 8)
+REGISTER_HASHER(CXXH64Hasher, 0x204, "XXH64", 8)