Fix wrong interrupt number for the second serial interface.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2464 c046a42c-6fe2-441c-8c8c-71466251a162

hw/mips_malta.c

@@ -693,7 +693,7 @@ void mips_malta_init (int ram_size, int vga_ram_size, int boot_device,
     if (serial_hds[0])
         serial_init(&pic_set_irq_new, isa_pic, 0x3f8, 4, serial_hds[0]);
     if (serial_hds[1])
-        serial_init(&pic_set_irq_new, isa_pic, 0x2f8, 4, serial_hds[1]);
+        serial_init(&pic_set_irq_new, isa_pic, 0x2f8, 3, serial_hds[1]);
     if (parallel_hds[0])
         parallel_init(0x378, 7, parallel_hds[0]);
     /* XXX: The floppy controller does not work correctly, something is