geomyidae: fix on darwin

pkgs/applications/networking/gopher/geomyidae/default.nix

@@ -12,6 +12,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ libressl ];
 
+  patches = lib.optionals stdenv.isDarwin [ ./modification-time.patch ];
+
   makeFlags = [ "PREFIX=${placeholder "out"}" ];
 
   meta = with lib; {

pkgs/applications/networking/gopher/geomyidae/modification-time.patch

@@ -0,0 +1,13 @@
+diff --git a/geomyidae-v0.51/handlr.c b/geomyidae-v0.51/handlr.c
+index 0c230d32519..9fc043fa3c9 100644
+--- a/handlr.c
++++ b/handlr.c
+@@ -71,7 +71,7 @@ handledir(int sock, char *path, char *port, char *base, char *args,
+ 					*type->type,
+ 					dirent[i]->d_name,
+ 					humansize(st.st_size),
+-					humantime(&(st.st_mtim.tv_sec)),
++					humantime(&(st.st_mtimespec.tv_sec)),
+ 					e, ohost, port);
+ 			free(file);
+ 			free(dirent[i]);