Backport: Correctly decode header field values that end in =?. Patch by Jakob Schroeter.
Backport: Correctly decode header field values that end in =?. Patch by Jakob Schroeter.

svn path=/branches/KDE_3_3_BRANCH/kdepim/; revision=339901

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