call create-env only for the first match. (for #220)

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-merge-1.4.x@619 152afb58-edef-0310-8abb-c4023f1b3aa9

src/mod_cgi.c

@@ -1064,6 +1064,8 @@ URIHANDLER_FUNC(cgi_is_handled) {
 				buffer_reset(con->physical.path);
 				return HANDLER_FINISHED;
 			}
+			/* one handler is enough for the request */
+			break;
 		}
 	}