Handle unicode content in the uri module properly

Fixes #5869

network/uri

@@ -297,6 +297,9 @@ def uri(module, url, dest, user, password, body, method, headers, redirects, soc
         r['redirected'] = redirected
         r.update(resp_redir)
         r.update(resp)
+        try:
+            return r, unicode(content).encode('utf8'), dest
+        except:
             return r, content, dest
     except httplib2.RedirectMissingLocation:
         module.fail_json(msg="A 3xx redirect response code was provided but no Location: header was provided to point to the new location.")