Add a single dummy export to each test DLL to ensure they create an import lib.

Author: ras0219-msft

Release/tests/functional/http/client/stdafx.cpp

@@ -7,4 +7,8 @@
 // stdafx.cpp : 
 // Include the standard header and generate the precompiled header.
 
-#include "stdafx.h"
+#include "stdafx.h"
+
+#if WIN32
+__declspec(dllexport) int httpclient_test_generate_lib = 0;
+#endif

Release/tests/functional/http/listener/stdafx.cpp

@@ -1,4 +1,8 @@
 // stdafx.cpp : 
 // Include the standard header and generate the precompiled header.
 
-#include "stdafx.h"
+#include "stdafx.h"
+
+#if WIN32
+__declspec(dllexport) int httplistener_test_generate_lib = 0;
+#endif

Release/tests/functional/json/stdafx.cpp

@@ -7,4 +7,8 @@
 // stdafx.cpp : 
 // Include the standard header and generate the precompiled header.
 
-#include "stdafx.h"
+#include "stdafx.h"
+
+#if WIN32
+__declspec(dllexport) int json_test_generate_lib = 0;
+#endif

Release/tests/functional/pplx/pplx_test/stdafx.cpp

@@ -7,4 +7,8 @@
 // stdafx.cpp : 
 // Include the standard header and generate the precompiled header.
 
-#include "stdafx.h"
+#include "stdafx.h"
+
+#if WIN32
+__declspec(dllexport) int pplx_test_generate_lib = 0;
+#endif

Release/tests/functional/streams/stdafx.cpp

@@ -8,4 +8,8 @@
 // Include the standard header and generate the precompiled header.
 
 
-#include "stdafx.h"
+#include "stdafx.h"
+
+#if WIN32
+__declspec(dllexport) int streams_test_generate_lib = 0;
+#endif

Release/tests/functional/uri/stdafx.cpp

@@ -8,4 +8,8 @@
 // stdafx.cpp : 
 // Include the standard header and generate the precompiled header.
 
-#include "stdafx.h"
+#include "stdafx.h"
+
+#if WIN32
+__declspec(dllexport) int pplx_test_generate_lib = 0;
+#endif

Release/tests/functional/utils/stdafx.cpp

@@ -8,4 +8,8 @@
 // stdafx.cpp : 
 // Include the standard header and generate the precompiled header.
 
-#include "stdafx.h"
+#include "stdafx.h"
+
+#if WIN32
+__declspec(dllexport) int pplx_test_generate_lib = 0;
+#endif

Release/tests/functional/websockets/client/stdafx.cpp

@@ -7,4 +7,8 @@
 // stdafx.cpp : 
 // Include the standard header and generate the precompiled header.
 
-#include "stdafx.h"
+#include "stdafx.h"
+
+#if WIN32
+__declspec(dllexport) int websocket_client_test_generate_lib = 0;
+#endif