patch 7.4.1089

Problem:    Repeating CTRL-A doesn't work.
Solution:   Call prep_redo_cmd(). (Hirohito Higashi)

patch 7.4.1088

Problem:    Coverity warns for uninitialized variables.  Only one is an actual
            problem.
Solution:   Move the conditions.  Don't use endpos if handling an error.

patch 7.4.1087

Problem:    CTRL-A and CTRL-X do not work properly with blockwise visual
            selection if there is a mix of Tab and spaces.
Solution:   Add OP_NR_ADD and OP_NR_SUB. (Hirohito Higashi)

patch 7.4.1086

Problem:    Crash with an extremely long buffer name.
Solution:   Limit the return value of vim_snprintf(). (Dominique Pelle)

patch 7.4.1085

Problem:    The CTRL-A and CTRL-X commands do not update the '[ and '] marks.
Solution:   (Yukihiro Nakadaira)

patch 7.4.1084

Problem:    Using "." to repeat CTRL-A in Visual mode increments the wrong
            numbers.
Solution:   Append right size to the redo buffer. (Ozaki Kiichi)

patch 7.4.1083

Problem:    Building GvimExt with VS2015 may fail.
Solution:   Adjust the makefile. (Mike Williams)

patch 7.4.1082

Problem:    The Tcl interface is always skipping memory free on exit.
Solution:   Only skip for dynamically loaded Tcl.

patch 7.4.1081

Problem:    No test for what previously caused a crash.
Solution:   Add test for unletting errmsg.

patch 7.4.1080

Problem:    VS2015 has a function HandleToLong() that is shadowed by the macro
            that Vim defines.
Solution:   Do not define HandleToLong() for MSVC version 1400 and later.
            (Mike Williams)