fix build

Author: ngxson

examples/tts/CMakeLists.txt

@@ -8,4 +8,5 @@ set(TARGET llama-mimi)
 add_executable(${TARGET} mimi.cpp mimi-model.cpp)
 install(TARGETS ${TARGET} RUNTIME)
 target_link_libraries(${TARGET} PRIVATE llama common ${CMAKE_THREAD_LIBS_INIT})
-target_compile_features(${TARGET} PRIVATE cxx_std_17)
+# for using C++ designated initializers, TODO: can be changed back to C++17 in the future
+target_compile_features(${TARGET} PRIVATE cxx_std_20)