patch 7.4.1444

Problem:    Can't build with JSON but without multi-byte.
Solution:   Fix pointer name.

patch 7.4.1443

Problem:    Can't build GTK3 with small features.
Solution:   Use gtk_widget_get_window().  Fix typos. (Dominique Pelle)

patch 7.4.1442

Problem:    MS-Windows: more compilation warnings for destructor.
Solution:   Add "virtual". (Ken Takata)

patch 7.4.1441

Problem:    Using empty name instead of no name for channel buffer.
Solution:   Remove the empty name.

patch 7.4.1440

Problem:    Can't build on Windows.
Solution:   Change #ifdefs.  Only define isnan when used.

patch 7.4.1439

Problem:    Using uninitialzed variable.
Solution:   Initialize vc_type.

patch 7.4.1438

Problem:    Can't get buffer number of a channel.
Solution:   Add ch_getbufnr().

patch 7.4.1437

Problem:    Old system doesn't have isinf() and NAN. (Ben Fritz)
Solution:   Adjust #ifdefs.  Detect isnan() and isinf() functions with
            configure. Use a replacement when missing. (Kazunobu Kuriyama)

patch 7.4.1436

Problem:    Sniff files still referenced in distribution.
Solution:   Remove sniff files from distribution.

patch 7.4.1435

Problem:    It is confusing that ch_sendexpr() and ch_sendraw() wait for a
            response.
Solution:   Add ch_evalexpr() and ch_evalraw().