Fix general config not saving due to:

general.py", line 101, in saveGeneral
   sickbeard.GIT_RESET_BRANCHES = git_reset_branches.split(',') if git_reset_branches else []
AttributeError: 'list' object has no attribute 'split'

sickbeard/server/web/config/general.py

@@ -100,7 +100,7 @@ def saveGeneral(self, log_dir=None, log_nr=5, log_size=1, web_port=None, notify_
         sickbeard.GIT_USERNAME = git_username
         sickbeard.GIT_PASSWORD = git_password
         sickbeard.GIT_RESET = config.checkbox_to_value(git_reset)
-        sickbeard.GIT_RESET_BRANCHES = git_reset_branches.split(',') if git_reset_branches else []
+        sickbeard.GIT_RESET_BRANCHES = helpers.ensure_list(git_reset_branches)
         sickbeard.GIT_PATH = git_path
         sickbeard.GIT_REMOTE = git_remote
         sickbeard.CALENDAR_UNPROTECTED = config.checkbox_to_value(calendar_unprotected)