Update used irq-flags definitions.

See commits 6e21361619328751e2637b004e14cf360aafbddc and
b4471cbb09c4694e54092d02715c09fda2eb45ed on Linus tree.

Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com>

--- et131x-1.2.3.orig/et131x_netdev.c	2008-01-19 23:26:54.000000000 -0200
+++ et131x-1.2.3/et131x_netdev.c	2008-01-19 23:47:02.000000000 -0200
@@ -458,7 +458,7 @@ int et131x_open( struct net_device *netd
      *************************************************************************/
     DBG_TRACE( et131x_dbginfo, "Registering ISR...\n" );
 
-    result = request_irq( netdev->irq, et131x_isr, SA_SHIRQ, netdev->name, netdev );
+    result = request_irq( netdev->irq, et131x_isr, IRQF_SHARED, netdev->name, netdev );
     if( result )
     {
         DBG_ERROR( et131x_dbginfo, "Could not register ISR\n" );