small layout fix in compose window
small layout fix in compose window

svn path=/trunk/KDE/kdepim/; revision=657323

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