Revert "Links mdns as library" - support older CMake

This reverts commit 5b5c129.

CMakeLists.txt

@@ -46,7 +46,6 @@ elseif (TARGET_DESKTOP)
 endif()
 
 add_subdirectory(core/moonlight-common-c)
-add_subdirectory(third_party/mdns)
 
 set(SOURCES
     app/main.c
@@ -112,6 +111,7 @@ target_compile_definitions(moonlight PUBLIC "$<$<CONFIG:DEBUG>:DEBUG>")
 target_include_directories(moonlight PRIVATE ${CMAKE_SOURCE_DIR}/app)
 target_include_directories(moonlight PRIVATE ${CMAKE_SOURCE_DIR}/core/moonlight-embedded)
 target_include_directories(moonlight PRIVATE ${CMAKE_SOURCE_DIR}/third_party/Nuklear)
+target_include_directories(moonlight PRIVATE ${CMAKE_SOURCE_DIR}/third_party/mdns)
 target_include_directories(moonlight SYSTEM PRIVATE ${CMAKE_SOURCE_DIR}/third_party/message_queue)
 target_include_directories(moonlight SYSTEM PRIVATE ${CMAKE_SOURCE_DIR}/third_party/incbin)
 
@@ -120,7 +120,7 @@ target_include_directories(moonlight PRIVATE ${CMAKE_SOURCE_DIR}/utils/include)
 target_link_libraries(moonlight PRIVATE
  PkgConfig::cURL PkgConfig::UUID PkgConfig::Expat
  m pthread
- moonlight-common-c mdns
+ moonlight-common-c
 )
 
 if (TARGET_WEBOS)