linux: render N/A instead of 0 for unreadable smaps metrics - #2138

linux: render N/A instead of 0 for unreadable smaps metrics#2138

BenBE merged 3 commits into

htop-dev:mainhtop-dev/htop:mainfrom

ravi-arnan:fix-1704-smaps-unknownravi-arnan/htop:fix-1704-smaps-unknownCopy head branch name to clipboard