fixed not working use rb-inotify

[webuilder240]

ENV

OS: Ubuntu 14.04
Ruby Version: ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-linux]
rb-inotify Version: 0.9.10

Backtrace

/home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/fssm-0.2.10/lib/fssm/support.rb:58:in `>': comparison of String with 0 failed (ArgumentError)
	from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/fssm-0.2.10/lib/fssm/support.rb:58:in `rb_inotify?'
	from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/fssm-0.2.10/lib/fssm/support.rb:9:in `usable_backend'
	from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/fssm-0.2.10/lib/fssm/support.rb:25:in `backend'
	from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/fssm-0.2.10/lib/fssm.rb:54:in `const_missing'
	from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/fssm-0.2.10/lib/fssm/monitor.rb:4:in `initialize'
	from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/fssm-0.2.10/lib/fssm.rb:67:in `new'
	from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/fssm-0.2.10/lib/fssm.rb:67:in `monitor'
	from app.rb:15:in `<main>'

rb-inotify version became a character instead of an array
Please see this commit

guard/rb-inotify@528f86a#diff-0b88808273f0e0364e42dd1445b8f1e5R23

So, I Fix it.

[webuilder240]

@ttilley
Hello.
I would be glad if you could Review This PR!
Thanks!

[ares]

I've tested the patch and works as expected of course. @ttilley would you mind merging and doing a release? Or if you share permissions, I'm happy to do that for you (I'd also need to be added as owner on rubygems).