Permit double slash in absolute/Unix path types

Author: domcleal

spec/aliases/absolute_path_spec.rb

@@ -15,6 +15,7 @@
         /
         /var/tmp
         /var/opt/../lib/puppet
+        /var/opt//lib/puppet
         /var/ůťƒ8
         /var/ネット
       }.each do |value|

spec/aliases/absolutepath_spec.rb

@@ -15,6 +15,7 @@
         //host/windows
         /var/tmp
         /var/opt/../lib/puppet
+        /var/opt//lib/puppet
       }.each do |value|
         describe value.inspect do
           let(:params) {{ value: value }}

spec/aliases/unixpath_spec.rb

@@ -9,6 +9,8 @@
         /Users/helencampbell/workspace/puppetlabs-stdlib
         /var/ůťƒ8
         /var/ネット
+        /var//tmp
+        /var/../tmp
       }.each do |value|
         describe value.inspect do
           let(:params) {{ value: value }}

types/unixpath.pp

@@ -1,2 +1,2 @@
 # this regex rejects any path component that is a / or a NUL
-type Stdlib::Unixpath = Pattern[/^\/([^\/\0]+(\/)?)+$/]
+type Stdlib::Unixpath = Pattern[/^\/([^\/\0]+\/*)+$/]