[libmultipath] mostly cosmetic
[libmultipath] mostly cosmetic

1) harden discovery.c:path_discovery() sysfs loop
2) remove redundant check in discovery.c:apply_format()


vijaychauhan/multipath-tools,grzn/multipath-tools-explained,unakatsuo/multipath-tools,vijaychauhan/multipath-tools,unakatsuo/multipath-tools,gebi/multipath-tools,unakatsuo/multipath-tools,grzn/multipath-tools-explained