Merge pull request puppetlabs#587 from maxenced/fix-mysql-grant-parsing

The old regex requires something after the 'host' part. Fix this.

Author: igalic

lib/puppet/provider/mysql_grant/mysql.rb

@@ -27,7 +27,7 @@ def self.instances
         # Match the munges we do in the type.
         munged_grant = grant.delete("'").delete("`")
         # Matching: GRANT (SELECT, UPDATE) PRIVILEGES ON (*.*) TO ('root')@('127.0.0.1') (WITH GRANT OPTION)
-        if match = munged_grant.match(/^GRANT\s(.+)\sON\s(.+)\sTO\s(.*)@(.*?)(\s.*)$/)
+        if match = munged_grant.match(/^GRANT\s(.+)\sON\s(.+)\sTO\s(.*)@(.*?)(\s.*)?$/)
           privileges, table, user, host, rest = match.captures
           # split on ',' if it is not a non-'('-containing string followed by a
           # closing parenthesis ')'-char - e.g. only split comma separated elements not in