Updated runtime files.
updated for version 7.4a.036
Problem:    "\p" in a regexp does not match double-width characters.
	    (Yukihiro Nakadaira)
Solution:   Don't count display cells, use vim_isprintc().
Added tag v7-4a-036 for changeset 9982ec574beb
updated for version 7.4a.037
Problem:    Win32: When mouse is hidden and in the toolbar, moving it won't
	    make it appear. (Sami Salonen)
Solution:   Add tabline_wndproc() and toolbar_wndproc(). (Ken Takata)
Added tag v7-4a-037 for changeset 91d478da863e
updated for version 7.4a.038
Problem:    When using MSVC 2012 there are various issues, including GUI size
	    computations.
Solution:   Use SM_CXPADDEDBORDER. (Mike Williams)
Added tag v7-4a-038 for changeset 8f983df0299f
updated for version 7.4a.039
Problem:    New regexp engine doesn't match pattern. (Ingo Karkat)
Solution:   When adding a state also check for different PIM if the list of
	    states has any state with a PIM.
Added tag v7-4a-039 for changeset a08fa2919f2b
updated for version 7.4a.040
Problem:    Win32: using uninitialized variable.
Solution:   (Yukihiro Nakadaira)
Added tag v7-4a-040 for changeset 1261caf9bc51
updated for version 7.4a.041
Problem:    When using ":new ++ff=unix" and "dos" is first in 'fileformats'
	    then 'ff' is set to "dos" instead of "unix". (Ingo Karkat)
Solution:   Create set_file_options() and invoke it from do_ecmd().
Added tag v7-4a-041 for changeset 74d2f3188cd0
updated for version 7.4a.042
Problem:    Crash when BufUnload autocommands close all buffers. (Andrew
	    Pimlott)
Solution:   Set curwin->w_buffer to curbuf to avoid NULL.
Added tag v7-4a-042 for changeset 1899acc5aebd
updated for version 7.4a.043
Problem:    More ml_get errors when adding or deleting lines from Python.
	    (Vlad Irnov)
Solution:   Switch to a window with the buffer when possible.
Added tag v7-4a-043 for changeset 6fa64615c8d3
updated for version 7.4a.044
Problem:    Test 96 sometimes fails.
Solution:   Clear window from b_wininfo in win_free().  (Suggestion by
	    Yukihiro Nakadaira)
Added tag v7-4a-044 for changeset 647596ab1ae2
Updated runtime files.