iwl3945: fix checkpatch.pl errors

Patch fixes two checkpatch.pl errors.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 50c61ed..d03f553 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -1179,7 +1179,7 @@
 	IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n", rev_id);
 
 	rc = priv->cfg->ops->lib->apm_ops.set_pwr_src(priv, IWL_PWR_SRC_VMAIN);
-	if(rc)
+	if (rc)
 		return rc;
 
 	priv->cfg->ops->lib->apm_ops.config(priv);