mac_{old|new}world: Avoid else branch by setting default value
Several variables are set in if-else branches where the else branch
can be removed by setting a default value at the variable declaration
which leads to simlpler code that is easier to follow.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <
8dac3515b29976a61dacda07752175d7531dca3c.
1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>