Fixed cannot differentiate between Windows Phone Application and Windows Store Application by `Application::getTargetPlatform`

cocos/platform/CCApplicationProtocol.h

@@ -56,8 +56,8 @@ public:
         OS_NACL,/** Nacl */
         OS_EMSCRIPTEN,/** Emscripten */
         OS_TIZEN,/** Tizen */
-        OS_WINRT,/** Winrt */
-        OS_WP8/** WP8 */
+        OS_WINRT,/** Windows Store Applications */
+        OS_WP8/** Windows Phone Applications */
     };
 
     /**

cocos/platform/winrt/CCApplication.cpp

@@ -214,7 +214,11 @@ LanguageType Application::getCurrentLanguage()
 
 Application::Platform  Application::getTargetPlatform()
 {
+#if (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
     return Platform::OS_WP8;
+#else
+    return Platform::OS_WINRT;
+#endif
 }
 
 bool Application::openURL(const std::string &url)