Prevent "watched folder" from being reset to default when it cannot be created at startup time.

sabnzbd/cfg.py

@@ -160,7 +160,7 @@ nzb_backup_dir = OptionDir('misc', 'nzb_backup_dir', DEF_NZBBACK_DIR)
 cache_dir = OptionDir('misc', 'cache_dir', 'cache', create=False, validation=validate_safedir)
 admin_dir = OptionDir('misc', 'admin_dir', DEF_ADMIN_DIR, validation=validate_safedir)
 #log_dir = OptionDir('misc', 'log_dir', 'logs')
-dirscan_dir = OptionDir('misc', 'dirscan_dir', create=True)
+dirscan_dir = OptionDir('misc', 'dirscan_dir', create=False)
 dirscan_speed = OptionNumber('misc', 'dirscan_speed', DEF_SCANRATE, 0, 3600)
 size_limit = OptionStr('misc', 'size_limit', '0')
 password_file = OptionDir('misc', 'password_file', '', create=False)

sabnzbd/interface.py

@@ -1109,7 +1109,7 @@ class ConfigFolders(object):
             value = kwargs.get(kw)
             if value != None:
                 value = platform_encode(value)
-                if kw == 'complete_dir':
+                if kw in ('complete_dir', 'dirscan_dir'):
                     msg = config.get_config('misc', kw).set(value, create=True)
                 else:
                     msg = config.get_config('misc', kw).set(value)