Fix for selection=exclusive

To reproduce:
:set selection=exclusive
:call setline(1, '2010-10-10 i am here')
:execute "normal vE\<C-a>"

Expected: 2010-10-11 i am here
Actual:   2010-10-10 ii am here

Author: inkarkat

plugin/speeddating.vim

@@ -171,6 +171,9 @@ function! s:incrementvisual(count)
     let ve = &ve
     set virtualedit=all
     exe "norm! gv\<Esc>"
+    if &selection ==# 'exclusive' && getpos('.') == getpos("'>")
+        normal! h
+    endif
     let vcol = virtcol('.')
     let lnum = line("'<")
     let lastrepl = ""