vim-patch:8.2.3227: 'virtualedit' can only be set globally

Problem:    'virtualedit' can only be set globally.
Solution:   Make 'virtualedit' global-local. (Gary Johnson, closes vim/vim#8638)
53ba05b090

I changed some macros to unsigned integer literals to avoid compiler warnings.

src/nvim/options.lua

@@ -2736,7 +2736,7 @@ return {
     {
       full_name='virtualedit', abbreviation='ve',
       short_desc=N_("when to use virtual editing"),
-      type='string', list='onecomma', scope={'global'},
+      type='string', list='onecomma', scope={'global', 'buffer'},
       deny_duplicates=true,
       redraw={'curswant'},
       varname='p_ve',