fixed close & headers

include/Diagnostic.hpp

include/Globals.hpp

include/NetCheckerWindow.hpp

include/Privileges.hpp

include/ProcessHandler.hpp

include/Translation.hpp

main.cpp

netchecker.pro

netchecker.pro.user

res/readme_en.html

res/readme_hu.html

src/Diagnostic.cpp

src/Globals.cpp

src/NetCheckerWindow.cpp

src/Privileges.cpp

src/ProcessHandler.cpp

src/Translation.cpp