Fixed a typo introduced by my previous commit, really sorry about it

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1754734 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/modules/proxy/mod_proxy_fcgi.c b/modules/proxy/mod_proxy_fcgi.c
index 1bdd200..5345532 100644
--- a/modules/proxy/mod_proxy_fcgi.c
+++ b/modules/proxy/mod_proxy_fcgi.c
@@ -305,7 +305,7 @@
         for (i = 0; i < envarr->nelts; ++i) {
             ap_log_rerror(APLOG_MARK, APLOG_TRACE8, 0, r, APLOGNO(01062)
                           "sending env var '%s' value '%s'",
-                          elts[i].key, elts[i].valq);
+                          elts[i].key, elts[i].val);
         }
     }