audio_core: dsp_hle: add Media Foundation decoder...

* appveyor: switch to Media Foundation API
* Travis CI MinGW build needs an update with the container image

src/tests/CMakeLists.txt

@@ -9,6 +9,7 @@ add_executable(tests
     core/hle/kernel/hle_ipc.cpp
     core/memory/memory.cpp
     core/memory/vm_manager.cpp
+    audio_core/decoder_tests.cpp
     tests.cpp
 )
 
@@ -21,7 +22,7 @@ endif()
 
 create_target_directory_groups(tests)
 
-target_link_libraries(tests PRIVATE common core video_core)
+target_link_libraries(tests PRIVATE common core video_core audio_core)
 target_link_libraries(tests PRIVATE ${PLATFORM_LIBRARIES} catch-single-include nihstro-headers Threads::Threads)
 
 add_test(NAME tests COMMAND tests)