fix so making a package works on Windows

Author: vkovec

CMakeLists.txt

@@ -195,8 +195,7 @@ set_target_properties(unity_tests PROPERTIES SUFFIX ".exe")
 # Make install does the right thing in all cases but it's overkill in release.
 add_custom_command(
     OUTPUT ${PACKAGE_PATH}
-        ${PACKAGE_TARGET}
-        COMMAND "${CMAKE_COMMAND}" --build . --target install
+        COMMAND "${CMAKE_COMMAND}" --build . --target install --config Release
         COMMAND "${UNITY_EDITOR_PATH}" -batchmode -projectPath ${CMAKE_BINARY_DIR}/tests/UnityTests -exportPackage Assets/FbxSdk ${PACKAGE_PATH} -quit
         COMMENT "Creating Unity Package ${PACKAGE_PATH}"
         DEPENDS UnityFbxSdkNative

README.md

@@ -58,7 +58,7 @@ mkdir FbxSharpBuild
 cd FbxSharpBuild
 cmake ../FbxSharp -G"Visual Studio 14 2015 Win64"
 cmake --build . --target INSTALL --config Release
-cmake --build . --target unitypackage
+cmake --build . --target unitypackage --config Release
 
 # run the sample Unity code
 "C:/Program Files/Unity/Editor/Unity.exe" -projectpath %cd%/tests/UnityTests