udp: memory leak
udp: memory leak

(cherry picked from commit 00b9dd8cbcd4ccd466a28d4f3fa2b7b605ca6276)

jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2