escape use of hyphen in slug regex

Author: northerner

app/models/trough/document.rb

@@ -60,7 +60,7 @@ def set_slug(fix_for_extensions=false)
       else
         filename = file_filename.split('.')[0...-1].join('.')
       end
-      escaped_name = filename ? filename.downcase.gsub(/[^0-9a-z-_. ]/, '').squish.gsub(' ', '-') : 'temporary'
+      escaped_name = filename ? filename.downcase.gsub(/[^0-9a-z\-_. ]/, '').squish.gsub(' ', '-') : 'temporary'
       temp_slug = escaped_name.dup
       suffix = 1
       while Document.where(slug: temp_slug).present?

lib/trough/version.rb

@@ -1,3 +1,3 @@
 module Trough
-  VERSION = "1.0.1"
+  VERSION = "1.0.2"
 end