Patch from Daniel Naber to make view source window better size.
Patch from Daniel Naber to make view source window better size.

svn path=/trunk/kdenetwork/kmail/; revision=47397

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