cmd: gomtree: re-enable errors when there is a Modified entry
cmd: gomtree: re-enable errors when there is a Modified entry

Signed-off-by: Aleksa Sarai <a8eb12d32d6ec07cdf737175ec7d4a0f1b4e1ee7@suse.de>

vbatts/go-mtree,vbatts/go-mtree