Merge pull request #526 from Jmainguy/centos5_hostname

Fixed hostname for rhel5 python 2.4.3

system/hostname.py

@@ -297,6 +297,7 @@ class OpenRCStrategy(GenericStrategy):
     HOSTNAME_FILE = '/etc/conf.d/hostname'
 
     def get_permanent_hostname(self):
+        try:
             try:
                 f = open(self.HOSTNAME_FILE, 'r')
                 for line in f:
@@ -311,6 +312,7 @@ class OpenRCStrategy(GenericStrategy):
         return None
 
     def set_permanent_hostname(self, name):
+        try:
             try:
                 f = open(self.HOSTNAME_FILE, 'r')
                 lines = [x.strip() for x in f]