reverting my last commit, since http://www.imc.org/mail-i18n.html says utf-7 is deprecated.
reverting my last commit, since http://www.imc.org/mail-i18n.html says utf-7 is deprecated.

svn path=/trunk/kdenetwork/kmail/; revision=125693

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi