Update to patchlevel 762.

Patches:
7.3.713  printf() can only align to bytes, not characters
7.3.714  :setlocal and :setglobal do not work in the sandbox
7.3.715  crash when calling setloclist() in BufUnload autocmd
7.3.716  error on exit when using Python 3
7.3.717  when changing font size only MS-Windows limits window size
7.3.718  when re-using the current buffer the buffer-local options stay
7.3.719  cannot run new version of cproto
7.3.720  proto files are outdated
7.3.721  Ruby interface defines local functions globally
7.3.722  Perl flags may contain "-g", which breaks "make proto"
7.3.723  various tiny problem.
7.3.724  building with Ruby and Tcl on MS-Windows 64 bit does not work
7.3.725  :aboveleft and :belowright have no effect on :copen
7.3.726  typos and duplicate info in README
7.3.727  can't always find Win32.mak when building GvimExt
7.3.728  cannot compile with MzScheme interface on Ubuntu 12.10
7.3.729  building with Ruby fails on some systems
7.3.730  crash in PHP file when using syntastic
7.3.731  Py3Init_vim() is exported uneccessarily
7.3.732  compiler warnings for function arguments
7.3.733  tests fail when including MzScheme
7.3.734  cannot put help files in a sub-directory
7.3.735  cannot build Ruby 1.9 with MingW or Cygwin
7.3.736  file name completion in input() escapes white space
7.3.737  when using do_cmdline() recursively did_endif is not reset
7.3.738  (after 7.3.730) unused function argument
7.3.739  computing number of lines may have an integer overflow
7.3.740  IOC tool complains about undefined behavior for int
7.3.741  (after 7.3.737) tiny build fails
7.3.742  leaking memory when :vimgrep restores the directory
7.3.743  (after 7.3.741) tiny build still fails
7.3.744  64 bit compiler warning
7.3.745  automatically setting 'ttymouse' doesn't work
7.3.746  memory leaks when using location lists
7.3.747  tab alignment does not work when characters are concealed
7.3.748  no tests for conceal mode
7.3.749  cannot build Python interface without multi-byte feature
7.3.750  the justify macro does not always work correctly
7.3.751  test 61 is flaky, it fails once in a while
7.3.752  test 49 script file doesn't fold properly
7.3.753  ":q" twice does not work when there is a QuitPre autocommand
7.3.754  latest nmake is not recognized
7.3.755  autoconf doesn't find Python 3 if it's called "python"
7.3.756  a location list can get a wrong count in :lvimgrep
7.3.757  issue 96: access freed memory if put command triggers autocmd
7.3.758  matchit plugin does not handle space in #ifdef
7.3.759  MS-Windows: Updating tabline is slow when there are many tabs
7.3.760  dv_ deletes the white space before the line
7.3.761  in Visual mode a "-p does not work
7.3.762  (after 7.3.759) on some systems the tabline is not redraw.

pkgsrc changes:
- cleanup vim-xaw by adding -lXaw first, so --as-needed will work now
- remove some old entries in vim-xaw

Will fix PR 47281.


(morr)