+ Summary for 4.1.2 tcpdump release
+ If -U is specified, flush the file after creating it, so it's
+ not zero-length
+ Fix TCP flags output description, and some typoes, in the man
+ page
+ Add a -h flag, and only attempt to recognize 802.11s mesh
+ headers if it's set
+ When printing the link-layer type list, send *all* output to
+ stderr
+ Include the CFLAGS setting when configure was run in the
+ compiler flags
+
Summary for 4.1.1 tcpdump release
Fix build on systems with PF, such as FreeBSD and OpenBSD.