nginxModules.rtmp: v1.1.11 -> v1.2.1

adds support for gcc-7 and fixes nginx for #31747

pkgs/servers/http/nginx/modules.nix

@@ -1,4 +1,4 @@
-{ fetchFromGitHub, pkgs }:
+{ fetchFromGitHub, fetchurl, lib, pkgs }:
 
 {
   brotli = {
@@ -11,12 +11,12 @@
     };
   };
 
-  rtmp = {
+  rtmp ={
     src = fetchFromGitHub {
       owner = "arut";
       repo = "nginx-rtmp-module";
-      rev = "v1.1.11";
-      sha256 = "09zrnf8lk179mpqnx92zm24xl7m3bq4ca84wc2zwi5hc8kxjbwxc";
+      rev = "v1.2.1";
+      sha256 = "0na1aam176irz6w148hnvamqy1ilbn4abhdzkva0yrm35a3ksbzn";
     };
   };