Update CMakeLists.txt

Author: anotherdoesnm

CMakeLists.txt

@@ -5,7 +5,7 @@ find_package(Qt6 REQUIRED COMPONENTS Widgets)
 include_directories(include)
 qt_standard_project_setup()
 qt_add_executable(${PROJECT_NAME} main.cpp dialog.ui dialog.cpp exportexcel.ui exportexcel.cpp)
-target_link_libraries(${PROJECT_NAME} OpenXLSX::OpenXLSX)
+target_link_libraries(${PROJECT_NAME} PRIVATE OpenXLSX::OpenXLSX)
 target_link_libraries(${PROJECT_NAME} PRIVATE Qt6::Widgets)
 target_link_libraries(${PROJECT_NAME} PRIVATE Qt6::Designer)
 target_link_libraries(${PROJECT_NAME} PRIVATE Qt6::UiTools)