Convert config to the new format

https://www.nginx.com/resources/wiki/extending/converting/

Author: zaslavskii

config

@@ -1,7 +1,8 @@
 ngx_addon_name=ngx_http_websocket_stat_module
-HTTP_MODULES="$HTTP_MODULES ngx_http_websocket_stat_module"
-HTTP_AUX_FILTER_MODULES="$HTTP_AUX_FILTER_MODULES ngx_http_websocket_stat_module"
-NGX_ADDON_SRCS="$NGX_ADDON_SRCS \
-                $ngx_addon_dir/ngx_http_websocket_stat_module.c \
-                $ngx_addon_dir/ngx_http_websocket_stat_format.c \
-                $ngx_addon_dir/ngx_http_websocket_stat_frame_counter.c"
+
+ngx_module_type=HTTP
+ngx_module_name=ngx_http_websocket_stat_module
+ngx_module_srcs="$ngx_addon_dir/ngx_http_websocket_stat_module.c \
+                 $ngx_addon_dir/ngx_http_websocket_stat_format.c \
+                 $ngx_addon_dir/ngx_http_websocket_stat_frame_counter.c"
+. auto/module