Meta: Ensure we install resource files when those resource files change

Author: https://github.com/trflynn89
Commit: 2f85620b43
Pull-request: https://github.com/SerenityOS/serenity/pull/23643
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/nico

Ladybird/cmake/ResourceFiles.cmake

@@ -106,6 +106,7 @@ function(copy_resource_set subdir)
 
         add_custom_command(
             OUTPUT ${outputs}
+            DEPENDS ${inputs}
             COMMAND "${CMAKE_COMMAND}" -E make_directory "${COPY_DESTINATION}/${subdir}"
             COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${inputs}" "${COPY_DESTINATION}/${subdir}"
             COMMAND_EXPAND_LISTS