Fix lintian warnings for description

Prevents duplicate host file records in Windows

debian/changelog

@@ -1,4 +1,4 @@
-vagrant-hostmanager (1.8.8-1) unstable; urgency=medium
+vagrant-hostmanager (1.8.9-1) unstable; urgency=medium
 
   * Initial release (Closes: #898996)
 

debian/control

@@ -19,4 +19,7 @@ Depends: ruby | ruby-interpreter,
          ${shlibs:Depends},
          ${misc:Depends}
 Description: Vagrant plugin for managing /etc/hosts on guests and host
- vagrant-hostmanager is a Vagrant plugin that manages the hosts file on guest machines (and optionally the host). Its goal is to enable resolution of multi-machine environments deployed with a cloud provider where IP addresses are not known in advance.
+ vagrant-hostmanager is a Vagrant plugin that manages the hosts file on guest
+ machines (and optionally the host). Its goal is to enable resolution of
+ multi-machine environments deployed with a cloud provider where IP addresses
+ are not known in advance.

lib/vagrant-hostmanager/hosts_file/updater.rb

@@ -88,8 +88,8 @@ module VagrantPlugins
 
         def update_content(file_content, resolving_machine, include_id, line_endings)
           id = include_id ? " id: #{read_or_create_id}" : ""
-          header = "## vagrant-hostmanager-start#{id}\n"
-          footer = "## vagrant-hostmanager-end\n"
+          header = "## vagrant-hostmanager-start#{id}"
+          footer = "## vagrant-hostmanager-end"
           body = get_machines
             .map { |machine| get_hosts_file_entry(machine, resolving_machine) }
             .join
@@ -146,12 +146,12 @@ module VagrantPlugins
           if body.empty?
             block = "\n"
           else
-            block = "\n\n" + header + body + footer + "\n"
+            block = "\n\n" + header + "\n" + body + footer + "\n\n"
           end
           # Pattern for finding existing block
           header_pattern = Regexp.quote(header)
           footer_pattern = Regexp.quote(footer)
-          pattern = Regexp.new("\n*#{header_pattern}.*?#{footer_pattern}\n*", Regexp::MULTILINE)
+          pattern = Regexp.new("[\r\n]*#{header_pattern}.*?#{footer_pattern}[\r\n]*", Regexp::MULTILINE)
           # Replace existing block or append
           content = old_content.match(pattern) ? old_content.sub(pattern, block) : old_content.rstrip + block
           if line_endings == "crlf"

lib/vagrant-hostmanager/version.rb

@@ -1,5 +1,5 @@
 module VagrantPlugins
   module HostManager
-    VERSION = '1.8.8'
+    VERSION = '1.8.9'
   end
 end