patch 7.4.1819

Problem:    Compiler warnings when sprintf() is a macro.
Solution:   Don't interrupt sprintf() with an #ifdef. (Michael Jarvis,
            closes vim#788)

patch 7.4.1818

Problem:    Help completion adds @en to all matches except the first one.
Solution:   Remove "break", go over all items.

patch 7.4.1817

Problem:    The screen is not updated if a callback is invoked when closing a
            channel.
Solution:   Invoke redraw_after_callback().

patch 7.4.1816

Problem:    Looping over a null list throws an error.
Solution:   Skip over the for loop.

patch 7.4.1815

Problem:    Compiler warnings for unused variables. (Ajit Thakkar)
Solution:   Add a dummy initialization. (Yasuhiro Matsumoto)

patch 7.4.1814

Problem:    A channel may be garbage collected while it's still being used by
            a job. (James McCoy)
Solution:   Mark the channel as used if the job is still used.  Do the same
            for channels that are still used.

patch 7.4.1813

Problem:    Memory access error when running test_quickfix.
Solution:   Allocate one more byte. (Yegappan Lakshmanan)

patch 7.4.1812

Problem:    Failure on startup with Athena and Motif.
Solution:   Check for INVALCOLOR. (Kazunobu Kuriyama)

patch 7.4.1811

Problem:    Netbeans channel gets garbage collected.
Solution:   Set reference in nb_channel.

patch 7.4.1810

Problem:    Sending DETACH after a channel was closed isn't useful.
Solution:   Only add DETACH for a netbeans channel.