Merge pull request #2102 from carabasdaniel/bool2httpdfix

Fix bool2httpd function call for older ruby versions

Author: sanfrancrisko

lib/puppet/functions/apache/bool2httpd.rb

@@ -25,6 +25,10 @@ def bool2httpd(arg)
   private
 
   def matches_string?(value, matcher)
-    value.is_a?(String) && value.match?(matcher)
+    if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.4.0')
+      value =~ matcher
+    else
+      value.is_a?(String) && value.match?(matcher)
+    end
   end
 end