add option to not install vimscripts-autoclose to /usr/share/nvim/*

because latest neovim seems to find plugins in /usr/share/vim/*

vimscripts-autoclose/.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = vimscripts-autoclose
 	pkgdesc = plugin that automatically closes quote, parentheses, brackets, braces, etc
 	pkgver = 1.2
-	pkgrel = 1
+	pkgrel = 2
 	url = https://github.com/vim-scripts/AutoClose
 	arch = any
 	license = unknown