因为易崩而弃用lz4

1、发现使用lz4压缩库时监控端程序进行远程桌面操作时容易崩溃，原因不明。

2、修复内存泄漏缺陷，在throw "Bad Buffer"的情况需要释放申请的内存。

client/IOCPClient.cpp

@@ -253,6 +253,8 @@ VOID IOCPClient::OnServerReceiving(char* szBuffer, ULONG ulLength)
 				}
 				else{
 					printf("[ERROR] uncompress failed \n");
+					delete [] CompressedBuffer;
+					delete [] DeCompressedBuffer;
 					throw "Bad Buffer";
 				}
 

client/ScreenManager.cpp

@@ -43,7 +43,13 @@ DWORD WINAPI CScreenManager::WorkThreadProc(LPVOID lParam)
 
 	clock_t last = clock();
 	This->SendFirstScreen();
+#if USING_ZLIB
+	const int fps = 8;// ֡<><D6A1>
+#elif USING_LZ4
 	const int fps = 12;// ֡<><D6A1>
+#else
+	const int fps = 8;// ֡<><D6A1>
+#endif
 	const int sleep = 1000 / fps;// <20><><EFBFBD><EFBFBD>ʱ<EFBFBD>䣨ms<6D><73>
 	timeBeginPeriod(1);
 	while (This->m_bIsWorking)

client/StdAfx.h

@@ -11,7 +11,7 @@
 
 #if !USING_ZLIB
 // <20>Ƿ<EFBFBD>ʹ<EFBFBD><CAB9>LZ4
-#define USING_LZ4 1
+#define USING_LZ4 0
 #endif
 
 #if _MSC_VER > 1000