Fix some ruby 1.9.2 issues.

lib/puppet/parser/functions/sort.rb

@@ -18,7 +18,7 @@ Sorts strings and arrays lexically.
     if value.is_a?(Array) then
       value.sort
     elsif value.is_a?(String) then
-      value.split("").sort.to_s
+      value.split("").sort.join("")
     end
 
   end

lib/puppet/parser/functions/values_at.rb

@@ -38,7 +38,7 @@ Would return ['a','c','d'].
       raise(Puppet::ParseError, 'values_at(): Requires array to work with')
     end
 
-    indices = *arguments # Get them all ... Pokemon ...
+    indices = [arguments.shift].flatten() # Get them all ... Pokemon ...
 
     if not indices or indices.empty?
       raise(Puppet::ParseError, 'values_at(): You must provide ' +

spec/unit/parser/functions/shuffle_spec.rb

@@ -25,7 +25,7 @@ describe "the shuffle function" do
 
   it "should shuffle a string but the sorted contents should still be the same" do
     result = @scope.function_shuffle(["adfs"])
-    result.split("").sort.to_s.should(eq("adfs"))
+    result.split("").sort.join("").should(eq("adfs"))
   end
 
 end