[ #12352 ] Fix doxygen (1/3)

kde/src/AccountListModel.h

kde/src/AccountView.h

kde/src/ActionSetAccountFirst.h

kde/src/CallView.cpp

kde/src/CallView.h

kde/src/Codec.h

kde/src/SFLPhoneAccessibility.cpp

kde/src/SFLPhoneAccessibility.h

kde/src/SFLPhoneView.cpp

kde/src/SFLPhoneView.h

kde/src/SFLPhoneapplication.h

kde/src/conf/ConfigAccountList.h

kde/src/conf/dlgaccessibility.h

kde/src/conf/dlgaccounts.h

kde/src/conf/dlgvideo.h

kde/src/klib/AkonadiBackend.cpp

kde/src/klib/AkonadiBackend.h

kde/src/klib/HelperFunctions.h

kde/src/klib/SortableDockCommon.h

kde/src/klib/dataengine/sflphonEngine.h