[PATCH] Remove compile warning from drivers_ide_pci_generic.h

From:  Bob Miller <rem@osdl.org>

  Added and #if/#endif pair to "remove" the un-used unknown_chipset declaration.

  Comments in generic.c indicate that unknow_chipset this will be used again
  in the future.

drivers/ide/pci/generic.h

@@ -135,6 +135,7 @@ static ide_pci_device_t generic_chipsets[] __devinitdata = {
 	}
 };
 
+#if 0
 static ide_pci_device_t unknown_chipset[] __devinitdata = {
 	{	/* 0 */
 		.vendor		= 0,
@@ -157,5 +158,6 @@ static ide_pci_device_t unknown_chipset[] __devinitdata = {
 	}
 
 };
+#endif
 
 #endif /* IDE_GENERIC_H */