patch 7.4.2253

Problem:    Check for Windows 3.1 will always return false.  (Christian
            Brabandt)
Solution:   Remove the dead code.

patch 7.4.2252

Problem:    Compiler warnings for signed/unsigned in expression.
Solution:   Remove type cast. (Dominique Pelle)

patch 7.4.2251

Problem:    In rare cases diffing 4 buffers is not enough.
Solution:   Raise the limit to 8. (closes vim#1000)

patch 7.4.2250

Problem:    Some error message cannot be translated.
Solution:   Enclose them in _() and N_(). (Dominique Pelle)

patch 7.4.2249

Problem:    Missing colon in error message.
Solution:   Add the colon. (Dominique Pelle)

patch 7.4.2248

Problem:    When cancelling the :ptjump prompt a preview window is opened for
            a following command.
Solution:   Reset g_do_tagpreview. (Hirohito Higashi)  Add a test.  Avoid that
            the test runner gets stuck in trying to close a window.

patch 7.4.2247

Problem:    Tiny build fails. (Tony Mechelynck)
Solution:   Remove #ifdef.

patch 7.4.2246

Problem:    Oldfiles test fails.
Solution:   Include missing changes.

patch 7.4.2245

Problem:    Filter test fails.
Solution:   Include missing changes.

patch 7.4.2244

Problem:    Adding pattern to ":oldfiles" is not a generic solution.
Solution:   Add the ":filter /pat/ cmd" command modifier.  Only works for some
            commands right now.