drivers/net: Remove deprecated use of pci_module_init()

From: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>

Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index b70bbd7..1a441a8 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -3194,7 +3194,7 @@
 
 static int __init gem_init(void)
 {
-	return pci_module_init(&gem_driver);
+	return pci_register_driver(&gem_driver);
 }
 
 static void __exit gem_cleanup(void)