[libmultipath] set_default_blacklist() : fix the fix
[libmultipath] set_default_blacklist() : fix the fix

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