Coverity CID 712278: c_can_pci_probe() doesn't check pci_enable_msi() return value

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Coverity complains that c_can_pci_probe() calls pci_enable_msi()
without checking the result:


CID 712278 (#1 of 1): Unchecked return value (CHECKED_RETURN)
3. check_return: Calling pci_enable_msi_block without checking return
value (as is done elsewhere 88 out of 105 times).
 88        pci_enable_msi(pdev);

This is CID 712278.

Bjorn
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