Simplify variable assignment

Prior to this commit when reading a registry value, Puppet would assign
the result to the "result" variable in every single instance of a case
expression.

This commit simplifies that assignment by moving it outside of the case
expression.

Author: mhashizume

lib/puppet/util/windows/registry.rb

@@ -239,22 +239,22 @@ def read(key, name_ptr, *rtype)
         string_length = (byte_length / FFI.type_size(:wchar)) - 1 if byte_length > 0
 
         begin
-          case type
-            when Win32::Registry::REG_SZ, Win32::Registry::REG_EXPAND_SZ
-              result = [ type, data_ptr.read_wide_string(string_length, Encoding::UTF_8, true) ]
-            when Win32::Registry::REG_MULTI_SZ
-              result = [ type, data_ptr.read_wide_string(string_length).split(/\0/) ]
-            when Win32::Registry::REG_BINARY
-              result = [ type, data_ptr.read_bytes(byte_length) ]
-            when Win32::Registry::REG_DWORD
-              result = [ type, data_ptr.read_dword ]
-            when Win32::Registry::REG_DWORD_BIG_ENDIAN
-              result = [ type, data_ptr.order(:big).read_dword ]
-            when Win32::Registry::REG_QWORD
-              result = [ type, data_ptr.read_qword ]
-            else
-              raise TypeError, _("Type %{type} is not supported.") % { type: type }
-          end
+          result = case type
+                   when Win32::Registry::REG_SZ, Win32::Registry::REG_EXPAND_SZ
+                     [ type, data_ptr.read_wide_string(string_length, Encoding::UTF_8, true) ]
+                   when Win32::Registry::REG_MULTI_SZ
+                     [ type, data_ptr.read_wide_string(string_length).split(/\0/) ]
+                   when Win32::Registry::REG_BINARY
+                     [ type, data_ptr.read_bytes(byte_length) ]
+                   when Win32::Registry::REG_DWORD
+                     [ type, data_ptr.read_dword ]
+                   when Win32::Registry::REG_DWORD_BIG_ENDIAN
+                     [ type, data_ptr.order(:big).read_dword ]
+                   when Win32::Registry::REG_QWORD
+                     [ type, data_ptr.read_qword ]
+                   else
+                     raise TypeError, _("Type %{type} is not supported.") % { type: type }
+                   end
         rescue IndexError => ex
           raise if (ex.message !~ /^Memory access .* is out of bounds$/i)
           parent_key_name = key.parent ? "#{key.parent.keyname}\\" : ""