unattended-upgrades: FIX Ruby boolleans

templates/etc/apt/apt.conf.d/Ubuntu_50unattended-upgrades.erb

@@ -49,7 +49,7 @@ Unattended-Upgrade::Mail "root@localhost";
 
 // Do automatic removal of new unused dependencies after the upgrade
 // (equivalent to apt-get autoremove)
-<% if @autoremove == "true" -%>
+<% if @autoremove == true -%>
 Unattended-Upgrade::Remove-Unused-Dependencies "true";
 <% else -%>
 //Unattended-Upgrade::Remove-Unused-Dependencies "false";
@@ -57,7 +57,7 @@ Unattended-Upgrade::Remove-Unused-Dependencies "true";
 
 // Automatically reboot *WITHOUT CONFIRMATION*
 //  if the file /var/run/reboot-required is found after the upgrade 
-<% if @automatic_reboot == "true" -%>
+<% if @automatic_reboot == true -%>
 Unattended-Upgrade::Automatic-Reboot "true";
 <% else -%>
 //Unattended-Upgrade::Automatic-Reboot "false";
@@ -66,7 +66,7 @@ Unattended-Upgrade::Automatic-Reboot "true";
 // If automatic reboot is enabled and needed, reboot at the specific
 // time instead of immediately
 //  Default: "now"
-<% if @automatic_reboot == "true" -%>
+<% if @automatic_reboot == true -%>
 Unattended-Upgrade::Automatic-Reboot-Time "02:00";
 <% else -%>
 //Unattended-Upgrade::Automatic-Reboot-Time "02:00";