Merge pull request chef#1560 from opscode/sersut/chef-1549

Only check WOW64 process when system architecture is x64.

lib/chef/provider/windows_script.rb

@@ -36,7 +36,8 @@ def initialize( new_resource, run_context, script_extension='')
 
         @is_wow64 = wow64_architecture_override_required?(run_context.node, target_architecture)
 
-        if ( target_architecture == :i386 ) && ! is_i386_process_on_x86_64_windows?
+        # if the user wants to run the script 32 bit && we are on a 64bit windows system && we are running a 64bit ruby ==> fail
+        if ( target_architecture == :i386 ) && node_windows_architecture(run_context.node) == :x86_64 && !is_i386_process_on_x86_64_windows?
           raise Chef::Exceptions::Win32ArchitectureIncorrect,
           "Support for the i386 architecture from a 64-bit Ruby runtime is not yet implemented"
         end