scripts/vagrant: Fix missing line break

Signed-off-by: Maciej Wawryk <maciejx.wawryk@intel.com>
Change-Id: Iaace103027e4261e01b5e13233afc4094abf2386
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/939
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Pawel Kaminski <pawelx.kaminski@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>

scripts/vagrant/Vagrantfile

@@ -1,7 +1,8 @@
 # -*- mode: ruby -*-
 # vi: set ft=ruby :
 
-require 'open3' def checkboxtype(distro)
+require 'open3'
+def checkboxtype(distro)
   localboxes, stderr, status = Open3.capture3("vagrant box list")
   if localboxes.include? "spdk/"+distro
     return "spdk/"+distro