Fix detecting distribution release on OpenSuSE

Ansible raised exception during parsering /etc/SuSE-release file.
Regular expresion should use string instead of list.
Fix tested on OpenSuse 13.1

lib/ansible/module_utils/facts.py

@@ -328,7 +328,8 @@ class Facts(object):
                                     break
                             elif path == '/etc/SuSE-release':
                                 data = data.splitlines()
-                                release = re.search('CODENAME *= *([^\n]+)\n', data)
+                                for line in data:
+                                    release = re.search('CODENAME *= *([^\n]+)', line)
                                     if release:
                                         self.facts['distribution_release'] = release.groups()[0].strip()
                                         break