Fix link to win32_event_log sample config
Fixes:
MODIFY
recipes/win32_event_log.rb
recipes/win32_event_log.rb
include_recipe 'datadog::dd-agent'
# Monitor the Windows Event Log
-# @see https://github.com/DataDog/integrations-core/blob/master/win32_event_log/conf.yaml.example for details
+# @see https://github.com/DataDog/integrations-core/blob/master/win32_event_log/datadog_checks/win32_event_log/data/conf.yaml.example for details
#
# @example
# node['datadog']['win32_event_log']['init_config'] = {

Fix link to win32_event_log sample config (#715)

Fixes: #713