Merge pull request #1263 from thawk/master

Set script encoding to avoid script parsing problem in non UTF-8 VIM

autoload/airline/extensions/branch.vim

@@ -1,6 +1,8 @@
 " MIT License. Copyright (c) 2013-2016 Bailey Ling.
 " vim: et ts=2 sts=2 sw=2
 
+scriptencoding utf-8
+
 let s:has_fugitive = exists('*fugitive#head')
 let s:has_lawrencium = exists('*lawrencium#statusline')
 let s:has_vcscommand = get(g:, 'airline#extensions#branch#use_vcscommand', 0) && exists('*VCSCommandGetStatusLine')