nginx-0.3.33-RELEASE import

    *) Feature: the "http_503" parameter of the "proxy_next_upstream" or
       "fastcgi_next_upstream" directives.

    *) Bugfix: ngx_http_perl_module did not work with inlined in the
       configuration code, if it was not started with the "sub" word.

    *) Bugfix: in the "post_action" directive.
diff --git a/src/core/ngx_conf_file.h b/src/core/ngx_conf_file.h
index 62f3655..a183a57 100644
--- a/src/core/ngx_conf_file.h
+++ b/src/core/ngx_conf_file.h
@@ -282,7 +282,7 @@
 
 #define ngx_conf_merge_str_value(conf, prev, default)                        \
     if (conf.data == NULL) {                                                 \
-        if (prev.data) {                                                      \
+        if (prev.data) {                                                     \
             conf.len = prev.len;                                             \
             conf.data = prev.data;                                           \
         } else {                                                             \