fixed linkage

Author: DerThorsten

CMakeLists.txt

@@ -386,7 +386,7 @@ if(EMSCRIPTEN)
     find_package(xeus-lite REQUIRED)
     find_package(nlohmann_json REQUIRED)
     add_executable(xlua src/main_emscripten_kernel.cpp )
-    target_link_libraries(xlua PRIVATE  xeus-lite nlohmann_json)
+    target_link_libraries(xlua PRIVATE  xeus-lite nlohmann_json::nlohmann_json)
     target_compile_features(xlua PRIVATE cxx_std_17)
     xeus_lua_set_kernel_options(xlua)
     xeus_wasm_compile_options(xlua)