Don't crash when hitting the Del key when no folder is selected. Patch by Richard Newton <richard.newton9@ntlworld.com>
Don't crash when hitting the Del key when no folder is selected.
Patch by Richard Newton <richard.newton9@ntlworld.com>

svn path=/trunk/kdenetwork/kmail/; revision=165671

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