新增了PQDIF补招线程，导入了新的lib库

LFtid1056/pqdif/include/str_chnk.h

@@ -0,0 +1,36 @@
+
+class CPQDIF_S_Chunk : public CPQDIF_StreamIO
+    {
+    public:
+	    CPQDIF_S_Chunk();
+        virtual ~CPQDIF_S_Chunk();
+
+    //  Attributes
+    public:
+
+    //  Operations
+    public:
+        bool SetInput( BYTE * chunk, long size );
+
+        bool GetOutputSize( long& size );
+        bool GetOutput( BYTE * chunk, long maxSize );
+
+    //  Overridables
+    public:
+        virtual bool SeekPos( int pos );
+        virtual bool GetPos( int& pos );
+        virtual bool SeekEnd( void );
+
+        virtual BYTE * ReadBlock( long size, int& actualSize );
+        virtual bool WriteBlock( int &sizeActual );
+
+    //  Implementation
+    protected:
+        BYTE *      m_chunkRead;
+        long        m_sizeChunkRead;
+
+        CPQByteArray    m_chunkWrite;
+
+        long            m_posChunk;
+    };
+