Remove OrderedDict references from runner

Fixes #7256

lib/ansible/runner/__init__.py

@@ -287,10 +287,10 @@ class Runner(object):
     def _compute_environment_string(self, inject=None):
         ''' what environment variables to use when running the command? '''
 
-        default_environment = collections.OrderedDict([
-            ('LANG', C.DEFAULT_MODULE_LANG),
-            ('LC_CTYPE', C.DEFAULT_MODULE_LANG),
-        ])
+        default_environment = dict(
+            LANG     = C.DEFAULT_MODULE_LANG,
+            LC_CTYPE = C.DEFAULT_MODULE_LANG,
+        )
 
         if self.environment:
             enviro = template.template(self.basedir, self.environment, inject, convert_bare=True)
@@ -301,7 +301,7 @@ class Runner(object):
 
         result = ""
         for (k,v) in default_environment.iteritems():
-            result = "%s %s=%s" % (result, k, pipes.quote(unicode(v)))
+            result = "%s=%s %s" % (k, pipes.quote(unicode(v)), result)
         return result
 
     # *****************************************************