srt-live-server: add missing ctime include

pkgs/applications/video/srt-live-server/add-ctime-include.patch

···
+diff --git a/slscore/common.hpp b/slscore/common.hpp
+index 30aeeea..bed0e62 100644
+--- a/slscore/common.hpp
++++ b/slscore/common.hpp
+@@ -29,6 +29,7 @@
+ #include <stddef.h>
+ #include <stdint.h>
+ #include <string>
++#include <ctime>
+ #include <vector>
+ #include <unistd.h>

pkgs/applications/video/srt-live-server/default.nix

···
   patches = [
     # https://github.com/Edward-Wu/srt-live-server/pull/94
     ./fix-insecure-printfs.patch
+
+    # https://github.com/Edward-Wu/srt-live-server/pull/127  # adds `#include <ctime>`
+    ./add-ctime-include.patch
   ];
 
   buildInputs = [ srt zlib ];