No package under FreeBSD

  With FreeBSD bzip2 as part of the system, so it's not need to install
  bzip2 package, and because this package doesn't exist the class go in
  error if it try to install that package.

Author: jas01

manifests/backup/mysqldump.pp

@@ -30,9 +30,11 @@
   $mysqlbackupdir_target    = undef,
 ) inherits mysql::params {
 
-  if $backupcompress {
-    ensure_packages(['bzip2'])
-    Package['bzip2'] -> File['mysqlbackup.sh']
+  unless $::osfamily == 'FreeBSD' {
+    if $backupcompress {
+      ensure_packages(['bzip2'])
+      Package['bzip2'] -> File['mysqlbackup.sh']
+    }
   }
 
   mysql_user { "${backupuser}@localhost":