Add haproxy to polyglot, check for directory existence before globbing it (#291)

Add haproxy to polyglot, check for directory existence before globbing it

README.md

@@ -78,6 +78,7 @@ If you need full functionality of any plugin, please use it directly with your p
 - [groovy](https://github.com/vim-scripts/groovy.vim) (syntax)
 - [haml](https://github.com/sheerun/vim-haml) (syntax, indent, compiler, ftplugin)
 - [handlebars](https://github.com/mustache/vim-mustache-handlebars) (syntax, indent, ftplugin)
+- [haproxy](https://github.com/CH-DanReif/haproxy.vim) (syntax)
 - [haskell](https://github.com/neovimhaskell/haskell-vim) (syntax, indent, ftplugin)
 - [haxe](https://github.com/yaymukund/vim-haxe) (syntax)
 - [html5](https://github.com/othree/html5.vim) (syntax, indent, autoload, ftplugin)

build

@@ -59,7 +59,7 @@ extract() {
 	continue
     fi
 
-    for f in "${dir}/ftdetect/"*; do
+    [ -d "${dir}/ftdetect" ] && for f in "${dir}/ftdetect/"*; do
       cat <<EOF >> tmp/polyglot.vim
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, '${pack%%:*}') == -1
   augroup filetypedetect
@@ -152,6 +152,7 @@ PACKS="
   groovy:vim-scripts/groovy.vim
   haml:sheerun/vim-haml
   handlebars:mustache/vim-mustache-handlebars
+  haproxy:CH-DanReif/haproxy.vim
   haskell:neovimhaskell/haskell-vim
   haxe:yaymukund/vim-haxe
   html5:othree/html5.vim