Removed an unused local variable; ref
MODIFY
mrbgems/mruby-io/src/io.c
mrbgems/mruby-io/src/io.c
@@ -758,7 +758,6 @@ mrb_io_s_sysclose(mrb_state *mrb, mrb_value klass)
int
mrb_cloexec_open(mrb_state *mrb, const char *pathname, mrb_int flags, mrb_int mode)
{
- mrb_value emsg;
int fd, retry = FALSE;
char* fname = mrb_locale_from_utf8(pathname, -1);

Removed an unused local variable; ref #4615