iwlwifi: make some logging functions static/unexport

iwl_dump_nic_error_log can be static and iwl_dump_nic_event_log
doesn't need to be exported.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-core.h

@@ -472,7 +472,6 @@ int iwl_pci_resume(struct pci_dev *pdev);
 /*****************************************************
 *  Error Handling Debugging
 ******************************************************/
-void iwl_dump_nic_error_log(struct iwl_priv *priv);
 void iwl_dump_nic_event_log(struct iwl_priv *priv);
 void iwl_clear_isr_stats(struct iwl_priv *priv);