Fixes a problem with the split of dig's output

Split at whitespace rather than tabs, since dig is "smart" about formatting.
The bug was causing superfluous updates.

Modulefile

@@ -1,5 +1,5 @@
 name	'inkblot/bind'
-version '2.0.0'
+version '2.0.1'
 source	'git://github.com/inkblot/puppet-bind'
 author	'inkblot'
 license	'Apache 2.0'

lib/puppet/provider/dns_rr/nsupdate.rb

@@ -108,7 +108,7 @@ private
   def query
     unless @query
       @query = dig("@#{server}", '-c', rrclass, '+noall', '+answer', name, type).lines.map do |line|
-        linearray = line.chomp.split /\t+/
+        linearray = line.chomp.split /\s+/
         {
           :name    => linearray[0],
           :ttl     => linearray[1],