Ruby » Ruby master

socket: update doc for recvfrom_nonblock [ci skip]

• ext/socket/lib/socket.rb (Socket#recvfrom_nonblock):
  UDPSocket#recvfrom_nonblock):
  update doc for exception: false and destination buffer
  [ruby-core:69542] [Feature #11229]
  [ruby-core:69543] [Feature #11242]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52608 b2dd03c8-39d4-4d8f-98ff-823fe69b080e