Use KProcess instead of system, otherwise KMail occasionally freezes for some reason.
Use KProcess instead of system, otherwise KMail occasionally freezes for some
reason.

svn path=/trunk/kdenetwork/kmail/; revision=131102

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