PCI: correctly initialize a structure for pcie_save_pcix_state()

save_state->cap_nr should be correctly set, otherwise we can't find the
saved cap at resume.

Signed-off-by: Shaohua Li <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/pci/pci.c

···
 	pci_read_config_word(dev, pos + PCI_EXP_LNKCTL, &cap[i++]);
 	pci_read_config_word(dev, pos + PCI_EXP_SLTCTL, &cap[i++]);
 	pci_read_config_word(dev, pos + PCI_EXP_RTCTL, &cap[i++]);
+	save_state->cap_nr = PCI_CAP_ID_EXP;
 	pci_add_saved_cap(dev, save_state);
 	return 0;
 }
···
 	cap = (u16 *)&save_state->data[0];
 
 	pci_read_config_word(dev, pos + PCI_X_CMD, &cap[i++]);
+	save_state->cap_nr = PCI_CAP_ID_PCIX;
 	pci_add_saved_cap(dev, save_state);
 	return 0;
 }