diff -ur zziplib-0.13.69/zzip/plugin.c zziplib-src/zzip/plugin.c --- zziplib-0.13.69/zzip/plugin.c Sat Mar 17 21:46:45 2018 +++ zziplib-src/zzip/plugin.c Sun Mar 18 08:04:42 2018 @@ -41,7 +41,7 @@ return st.st_size; } -static const struct zzip_plugin_io default_io = { +static struct zzip_plugin_io default_io = { &open, &close, &_zzip_read,