mruby/mruby — pull request #519 by akiray03 (2012-10-30 14:52:29+00:00)
Title: fix mruby exit status with mrb file.

```
$ cat a.rb
puts "hello"

$ ./bin/mruby a.rb; echo $?
hello
0

$ ./bin/mrbc a.rb
$ ./bin/mruby -b a.mrb; echo $?
hello
1 # not success (this patch fixes)
```

and, some correct indents.