i8259: Fix PIC_COMMON() macro It used a wrong struct type name since its introduction in 8f04ee0882aec9fe91fb70f767edf5dacff59835 (isa: pic: convert to QEMU Object Model), apparently it is unused so far. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>