change: applied a patch to the nginx core to turn nginx to openresty in the builtin special response pages' footer.

Thanks Datong Sun for the patch.

patches/nginx-1.11.2-builtin_error_page_footer.patch

@@ -0,0 +1,13 @@
+diff --git a/src/http/ngx_http_special_response.c b/src/http/ngx_http_special_response.c
+index 64e5acd..f5374f6 100644
+--- a/src/http/ngx_http_special_response.c
++++ b/src/http/ngx_http_special_response.c
+@@ -26,7 +26,7 @@ static u_char ngx_http_error_full_tail[] =
+ 
+ 
+ static u_char ngx_http_error_tail[] =
+-"<hr><center>nginx</center>" CRLF
++"<hr><center>openresty</center>" CRLF
+ "</body>" CRLF
+ "</html>" CRLF
+ ;

util/mirror-tarballs

@@ -55,6 +55,13 @@ else
     fi
 fi
 
+answer=`$root/util/ver-ge "$main_ver" 1.11.2`
+if [ "$answer" = "Y" ]; then
+    echo "$info_txt applying the builtin_error_page_footer patch"
+    patch -p1 < $root/patches/nginx-$main_ver-builtin_error_page_footer.patch || exit 1
+    echo
+fi
+
 answer=`$root/util/ver-ge "$main_ver" 1.11.2`
 if [ "$answer" = "Y" ]; then
     echo "$info_txt applying the delayed-posted-events patch"