crypto: qat - constify pci_error_handlers structures

This pci_error_handlers structure is never modified, like all the other
pci_error_handlers structures, so declare it as const.

Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/qat/qat_common/adf_aer.c

@@ -197,7 +197,7 @@ static void adf_resume(struct pci_dev *pdev)
 	dev_info(&pdev->dev, "Device is up and runnig\n");
 }
 
-static struct pci_error_handlers adf_err_handler = {
+static const struct pci_error_handlers adf_err_handler = {
 	.error_detected = adf_error_detected,
 	.slot_reset = adf_slot_reset,
 	.resume = adf_resume,